Number, NAPX-J4-CA33 SA

Question

{{{question}}}

Worked Solution

{{{workedSolution}}}

Variant 0

DifficultyLevel

647

Question

Huckleberry opens a savings account and deposits $1200 into it.

He makes no more deposits and earns simple interest on his original deposit at 2.5% each year.

How much interest will Huckleberry earn after 3 years?

Worked Solution
Interest earned = PrnP \large rn
= 1200 ×2.5100×\times \dfrac{2.5}{100} \times 3
= $90

Question Type

Answer Box

Variables

Variable nameVariable value
question
Huckleberry opens a savings account and deposits $1200 into it. He makes no more deposits and earns simple interest on his original deposit at 2.5% each year. How much interest will Huckleberry earn after 3 years?
workedSolution
| | | | --------------------- | -------------- | | Interest earned | \= $P \large rn$ | | | \= 1200 $\times \dfrac{2.5}{100} \times$ 3 | || \= {{{prefix0}}}{{{correctAnswer0}}}|
correctAnswer0
90
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
correctAnswer090

$

Variant 1

DifficultyLevel

645

Question

Harvey opens a savings account and deposits $1500 into it.

He makes no more deposits and earns simple interest on his original deposit at 1.5% each year.

How much interest will Harvey earn after 2 years?

Worked Solution
Interest earned = PrnP \large rn
= 1500 ×1.5100×\times \dfrac{1.5}{100} \times 2
= $45

Question Type

Answer Box

Variables

Variable nameVariable value
question
Harvey opens a savings account and deposits $1500 into it. He makes no more deposits and earns simple interest on his original deposit at 1.5% each year. How much interest will Harvey earn after 2 years?
workedSolution
| | | | --------------------- | -------------- | | Interest earned | \= $P \large rn$ | | | \= 1500 $\times \dfrac{1.5}{100} \times$ 2 | || \= {{{prefix0}}}{{{correctAnswer0}}}|
correctAnswer0
45
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
correctAnswer045

$

Variant 2

DifficultyLevel

647

Question

Elizabeth opens a savings account and deposits $12 000 into it.

She makes no more deposits and earns simple interest on her original deposit at 3.5% each year.

How much interest will Elizabeth earn after 3 years?

Worked Solution
Interest earned = PrnP \large rn
= 12 000 ×3.5100×\times \dfrac{3.5}{100} \times 3
= $1260

Question Type

Answer Box

Variables

Variable nameVariable value
question
Elizabeth opens a savings account and deposits $12 000 into it. She makes no more deposits and earns simple interest on her original deposit at 3.5% each year. How much interest will Elizabeth earn after 3 years?
workedSolution
| | | | --------------------- | -------------- | | Interest earned | \= $P \large rn$ | | | \= 12 000 $\times \dfrac{3.5}{100} \times$ 3 | || \= {{{prefix0}}}{{{correctAnswer0}}}|
correctAnswer0
1260
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
correctAnswer01260

$

Variant 3

DifficultyLevel

646

Question

Sylvia opens a savings account and deposits $8200 into it.

She makes no more deposits and earns simple interest on her original deposit at 2.25% each year.

How much interest will Sylvia earn after 2 years?

Worked Solution
Interest earned = PrnP \large rn
= 8200 ×2.25100×\times \dfrac{2.25}{100} \times 2
= $369

Question Type

Answer Box

Variables

Variable nameVariable value
question
Sylvia opens a savings account and deposits $8200 into it. She makes no more deposits and earns simple interest on her original deposit at 2.25% each year. How much interest will Sylvia earn after 2 years?
workedSolution
| | | | --------------------- | -------------- | | Interest earned | \= $P \large rn$ | | | \= 8200 $\times \dfrac{2.25}{100} \times$ 2 | || \= {{{prefix0}}}{{{correctAnswer0}}}|
correctAnswer0
369
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
correctAnswer0369

$

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