Algebra, NAPX-L4-CA04 o1

Question

{{{question}}}

Worked Solution

{{{workedSolution}}}

Variant 0

DifficultyLevel

488

Question

Patrick is saving his money to buy a second hand drum kit.

In week 1, he has $9.

Every week after week 1, he contributes the same amount to his saving.


Week 1 2 3 4 5
Total amount saved $9 $16 $23 $30 $37


How much will Patrick have saved by the end of week 9?

Worked Solution

Weekly saving = 16 −- 9 = $7

Total savings at end of:

Week 6 = 37 + 7 = $44

Week 7 = 44 + 7= $51

Week 8 = 51 + 7 = $58

Week 9 = 58 + 7 = $65

Question Type

Answer Box

Variables

Variable nameVariable value
question
Patrick is saving his money to buy a second hand drum kit. In week 1, he has $9. Every week after week 1, he contributes the same amount to his saving.
>>| **Week** | 1|2|3|4|5| |:-|:-:|:-:|:-:|:-:|:-:| | **Total amount saved** | $9|$16|$23|$30|$37|

How much will Patrick have saved by the end of week 9?
workedSolution
Weekly saving = 16 $-$ 9 = $7 Total savings at end of: Week 6 = 37 + 7 = $44 Week 7 = 44 + 7= $51 Week 8 = 51 + 7 = $58 Week 9 = 58 + 7 = {{{prefix0}}}{{{correctAnswer0}}}
correctAnswer0
65
prefix0
$
suffix0

Answers

Specify one or more 'ANSWER' block(s) as exampled below.
Note: correctAnswer is required, the rest are optional. ("correctAnswer" is what the student would need to type in to the box to get the answer correct.)

For example:
correctAnswer: 123.40

And optionally, specify the following, but only if you need something different to the defaults: 'width' defaults to 5 if not present, and valid values are 3 to 10; 'prefix' and 'suffix' default to nothing if not present.
prefix: $
suffix: mm$^2$
width: 5

correctAnswerNcorrectAnswerValueAnswer
correctAnswer065

$

Variant 1

DifficultyLevel

492

Question

Bernard is saving his money to buy V-bux for his gaming.

In week 1, he has $7.

Every week after week 1, he contributes the same amount to his saving.


Week 1 2 3 4 5
Total amount saved $7 $19 $31 $43 $55


How much will Bernard have saved by the end of week 8?

Worked Solution

Weekly saving = 19 −- 7 = $12

Total savings at end of:

Week 6 = 55 + 12 = $67

Week 7 = 67 + 12 = $79

Week 8 = 79 + 12 = $91

Question Type

Answer Box

Variables

Variable nameVariable value
question
Bernard is saving his money to buy V-bux for his gaming. In week 1, he has $7. Every week after week 1, he contributes the same amount to his saving.
>>| **Week** | 1|2|3|4|5| |:-|:-:|:-:|:-:|:-:|:-:| | **Total amount saved** | $7|$19|$31|$43|$55|

How much will Bernard have saved by the end of week 8?
workedSolution
Weekly saving = 19 $-$ 7 = $12 Total savings at end of: Week 6 = 55 + 12 = $67 Week 7 = 67 + 12 = $79 Week 8 = 79 + 12 = {{{prefix0}}}{{{correctAnswer0}}}
correctAnswer0
91
prefix0
$
suffix0

Answers

Specify one or more 'ANSWER' block(s) as exampled below.
Note: correctAnswer is required, the rest are optional. ("correctAnswer" is what the student would need to type in to the box to get the answer correct.)

For example:
correctAnswer: 123.40

And optionally, specify the following, but only if you need something different to the defaults: 'width' defaults to 5 if not present, and valid values are 3 to 10; 'prefix' and 'suffix' default to nothing if not present.
prefix: $
suffix: mm$^2$
width: 5

correctAnswerNcorrectAnswerValueAnswer
correctAnswer091

$

Variant 2

DifficultyLevel

483

Question

Jill is saving her money to buy a new AFL football.

In week 1, she has $8.

Every week after week 1, she contributes the same amount to her saving.


Week 1 2 3 4 5
Total amount saved $8 $12 $16 $20 $24


How much will Jill have saved by the end of week 9?

Worked Solution

Weekly saving = 12 −- 8 = $4

Total savings at end of:

Week 6 = 24 + 4 = $28

Week 7 = 28 + 4 = $32

Week 8 = 32 + 4 = $36

Week 9 = 36 + 4 = $40

Question Type

Answer Box

Variables

Variable nameVariable value
question
Jill is saving her money to buy a new AFL football. In week 1, she has $8. Every week after week 1, she contributes the same amount to her saving.
>>| **Week** | 1|2|3|4|5| |:-|:-:|:-:|:-:|:-:|:-:| | **Total amount saved** | $8|$12|$16|$20|$24|

How much will Jill have saved by the end of week 9?
workedSolution
Weekly saving = 12 $-$ 8 = $4 Total savings at end of: Week 6 = 24 + 4 = $28 Week 7 = 28 + 4 = $32 Week 8 = 32 + 4 = $36 Week 9 = 36 + 4 = {{{prefix0}}}{{{correctAnswer0}}}
correctAnswer0
40
prefix0
$
suffix0

Answers

Specify one or more 'ANSWER' block(s) as exampled below.
Note: correctAnswer is required, the rest are optional. ("correctAnswer" is what the student would need to type in to the box to get the answer correct.)

For example:
correctAnswer: 123.40

And optionally, specify the following, but only if you need something different to the defaults: 'width' defaults to 5 if not present, and valid values are 3 to 10; 'prefix' and 'suffix' default to nothing if not present.
prefix: $
suffix: mm$^2$
width: 5

correctAnswerNcorrectAnswerValueAnswer
correctAnswer040

$

Variant 3

DifficultyLevel

484

Question

Matilda is saving her money to buy a new soccer ball.

In week 1, she has $7.

Every week after week 1, she contributes the same amount to her saving.


Week 1 2 3 4 5
Total amount saved $7 $17 $27 $37 $47


How much will Matilda have saved by the end of week 8?

Worked Solution

Weekly saving = 17 −- 7 = $10

Total savings at end of:

Week 6 = 47 + 10 = $57

Week 7 = 57 + 10 = $67

Week 8 = 67 + 10 = $77

Question Type

Answer Box

Variables

Variable nameVariable value
question
Matilda is saving her money to buy a new soccer ball. In week 1, she has $7. Every week after week 1, she contributes the same amount to her saving.
>>| **Week** | 1|2|3|4|5| |:-|:-:|:-:|:-:|:-:|:-:| | **Total amount saved** | $7|$17|$27|$37|$47|

How much will Matilda have saved by the end of week 8?
workedSolution
Weekly saving = 17 $-$ 7 = $10 Total savings at end of: Week 6 = 47 + 10 = $57 Week 7 = 57 + 10 = $67 Week 8 = 67 + 10 = {{{prefix0}}}{{{correctAnswer0}}}
correctAnswer0
77
prefix0
$
suffix0

Answers

Specify one or more 'ANSWER' block(s) as exampled below.
Note: correctAnswer is required, the rest are optional. ("correctAnswer" is what the student would need to type in to the box to get the answer correct.)

For example:
correctAnswer: 123.40

And optionally, specify the following, but only if you need something different to the defaults: 'width' defaults to 5 if not present, and valid values are 3 to 10; 'prefix' and 'suffix' default to nothing if not present.
prefix: $
suffix: mm$^2$
width: 5

correctAnswerNcorrectAnswerValueAnswer
correctAnswer077

$

Variant 4

DifficultyLevel

486

Question

Marty is saving his money to buy a new cricket bat.

In week 1, he has $36.

Every week after week 1, he contributes the same amount to his saving.


Week 1 2 3 4 5
Total amount saved $36 $48 $60 $72 $84


How much will Marty have saved by the end of week 9?

Worked Solution

Weekly saving = 48 −- 36 = $12

Total savings at end of:

Week 6 = 84 + 12 = $96

Week 7 = 96 + 12 = $108

Week 8 = 108 + 12 = $120

Week 9 = 120 + 12 = $132

Question Type

Answer Box

Variables

Variable nameVariable value
question
Marty is saving his money to buy a new cricket bat. In week 1, he has $36. Every week after week 1, he contributes the same amount to his saving.
>>| **Week** | 1|2|3|4|5| |:-|:-:|:-:|:-:|:-:|:-:| | **Total amount saved** | $36|$48|$60|$72|$84|

How much will Marty have saved by the end of week 9?
workedSolution
Weekly saving = 48 $-$ 36 = $12 Total savings at end of: Week 6 = 84 + 12 = $96 Week 7 = 96 + 12 = $108 Week 8 = 108 + 12 = $120 Week 9 = 120 + 12 = {{{prefix0}}}{{{correctAnswer0}}}
correctAnswer0
132
prefix0
$
suffix0

Answers

Specify one or more 'ANSWER' block(s) as exampled below.
Note: correctAnswer is required, the rest are optional. ("correctAnswer" is what the student would need to type in to the box to get the answer correct.)

For example:
correctAnswer: 123.40

And optionally, specify the following, but only if you need something different to the defaults: 'width' defaults to 5 if not present, and valid values are 3 to 10; 'prefix' and 'suffix' default to nothing if not present.
prefix: $
suffix: mm$^2$
width: 5

correctAnswerNcorrectAnswerValueAnswer
correctAnswer0132

$

Variant 5

DifficultyLevel

489

Question

Milo is saving his money to buy a new kayak.

In week 1, he has $150.

Every week after week 1, he contributes the same amount to his saving.


Week 1 2 3 4 5
Total amount saved $150 $190 $230 $270 $310


How much will Milo have saved by the end of week 8?

Worked Solution

Weekly saving = 190 −- 150 = $40

Total savings at end of:

Week 6 = 310 + 40 = $350

Week 7 = 350 + 40 = $390

Week 8 = 390 + 40 = $430

Question Type

Answer Box

Variables

Variable nameVariable value
question
Milo is saving his money to buy a new kayak. In week 1, he has $150. Every week after week 1, he contributes the same amount to his saving.
>>| **Week** | 1|2|3|4|5| |:-|:-:|:-:|:-:|:-:|:-:| | **Total amount saved** | $150|$190|$230|$270|$310|

How much will Milo have saved by the end of week 8?
workedSolution
Weekly saving = 190 $-$ 150 = $40 Total savings at end of: Week 6 = 310 + 40 = $350 Week 7 = 350 + 40 = $390 Week 8 = 390 + 40 = {{{prefix0}}}{{{correctAnswer0}}}
correctAnswer0
430
prefix0
$
suffix0

Answers

Specify one or more 'ANSWER' block(s) as exampled below.
Note: correctAnswer is required, the rest are optional. ("correctAnswer" is what the student would need to type in to the box to get the answer correct.)

For example:
correctAnswer: 123.40

And optionally, specify the following, but only if you need something different to the defaults: 'width' defaults to 5 if not present, and valid values are 3 to 10; 'prefix' and 'suffix' default to nothing if not present.
prefix: $
suffix: mm$^2$
width: 5

correctAnswerNcorrectAnswerValueAnswer
correctAnswer0430

$

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