Number, NAPX-F4-CA24 SA, NAPX-F3-CA28 SA

Question

{{{question}}}

Worked Solution

{{{workedSolution}}}

Variant 0

DifficultyLevel

705

Question

Blart bought a second hand bike at a cost of $440.

He had to spend 55% of his savings to buy the bike.

How much did Blart have in his savings after buying the bike?

Worked Solution

55% × Savings = $440
Savings = 4400.55\dfrac{440}{0.55}
= $800

∴\therefore Savings left = 800 −- 440
= $360

Question Type

Answer Box

Variables

Variable nameVariable value
question
Blart bought a second hand bike at a cost of $440. He had to spend 55% of his savings to buy the bike. How much did Blart have in his savings after buying the bike?
workedSolution
sm_nogap 55% × Savings = $440
| | | | --------------------- | -------------- | | Savings | \= $\dfrac{440}{0.55}$ | | | \= $800 |

| | | | --------------------- | -------------- | | $\therefore$ Savings left | \= 800 $-$ 440| | | \= {{{prefix0}}}{{{correctAnswer0}}} |
correctAnswer0
360
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
correctAnswer0360

$

Variant 1

DifficultyLevel

707

Question

Veronica bought a second hand car at a cost of $12 840.

She had to spend 60% of her savings to buy the car.

How much did Veronica have in her savings after buying the car?

Worked Solution

60% × Savings = $12 840
Savings = 12 8400.60\dfrac{12\ 840}{0.60}
= $21 400

∴\therefore Savings left = 21 400 −- 12 840
= $8560

Question Type

Answer Box

Variables

Variable nameVariable value
question
Veronica bought a second hand car at a cost of $12 840. She had to spend 60% of her savings to buy the car. How much did Veronica have in her savings after buying the car?
workedSolution
sm_nogap 60% × Savings = $12 840
| | | | --------------------- | -------------- | | Savings | \= $\dfrac{12\ 840}{0.60}$ | | | \= $21 400 |

| | | | --------------------- | -------------- | | $\therefore$ Savings left | \= 21 400 $-$ 12 840| | | \= {{{prefix0}}}{{{correctAnswer0}}} |
correctAnswer0
8560
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
correctAnswer08560

$

Variant 2

DifficultyLevel

706

Question

Joseph bought a coat at a cost of $395.

He had to spend 40% of his savings to buy the coat.

How much did Joseph have in his savings after buying the coat?

Worked Solution

40% × Savings = $395
Savings = 3950.40\dfrac{395}{0.40}
= $987.50

∴\therefore Savings left = 987.50 −- 395
= $592.50

Question Type

Answer Box

Variables

Variable nameVariable value
question
Joseph bought a coat at a cost of $395. He had to spend 40% of his savings to buy the coat. How much did Joseph have in his savings after buying the coat?
workedSolution
sm_nogap 40% × Savings = $395
| | | | --------------------- | -------------- | | Savings | \= $\dfrac{395}{0.40}$ | | | \= $987.50 |

| | | | --------------------- | -------------- | | $\therefore$ Savings left | \= 987.50 $-$ 395| | | \= {{{prefix0}}}{{{correctAnswer0}}} |
correctAnswer0
592.50
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
correctAnswer0592.50

$

Variant 3

DifficultyLevel

707

Question

Logan bought an Xbox console at a cost of $449.

He had to spend 20% of his savings to buy the Xbox.

How much did Logan have in his savings after buying the Xbox?

Worked Solution

20% × Savings = $449
Savings = 4490.20\dfrac{449}{0.20}
= $2245

∴\therefore Savings left = 2245 −- 449
= $1796

Question Type

Answer Box

Variables

Variable nameVariable value
question
Logan bought an Xbox console at a cost of $449. He had to spend 20% of his savings to buy the Xbox. How much did Logan have in his savings after buying the Xbox?
workedSolution
sm_nogap 20% × Savings = $449
| | | | --------------------- | -------------- | | Savings | \= $\dfrac{449}{0.20}$ | | | \= $2245|

| | | | --------------------- | -------------- | | $\therefore$ Savings left | \= 2245 $-$ 449| | | \= {{{prefix0}}}{{{correctAnswer0}}} |
correctAnswer0
1796
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
correctAnswer01796

$

Variant 4

DifficultyLevel

709

Question

Davinia bought an Alaskan malamute puppy at a cost of $3200.

She had to spend 20% of her savings to buy the puppy.

How much did Davinia have in her savings after buying the puppy?

Worked Solution

20% × Savings = $3200
Savings = 32000.20\dfrac{3200}{0.20}
= $16 000

∴\therefore Savings left = 16 000 −- 3200
= $12 800

Question Type

Answer Box

Variables

Variable nameVariable value
question
Davinia bought an Alaskan malamute puppy at a cost of $3200. She had to spend 20% of her savings to buy the puppy. How much did Davinia have in her savings after buying the puppy?
workedSolution
sm_nogap 20% × Savings = $3200
| | | | --------------------- | -------------- | | Savings | \= $\dfrac{3200}{0.20}$ | | | \= $16 000|

| | | | --------------------- | -------------- | | $\therefore$ Savings left | \= 16 000 $-$ 3200| | | \= $12 800 |
correctAnswer0
12800
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
correctAnswer012800

$

Tags

  • ms_ca