Number, NAPX-J4-CA26 SA

Question

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Worked Solution

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Variant 0

DifficultyLevel

717

Question

A candle maker increases the price of a candle from $20 to $25.

What is the percentage increase in his price?

Worked Solution

Price increase = 25 −− 20 = $5
∴\therefore Percentage increase = 520\dfrac{5}{20} × 100
= 0.25 × 100
= 25%

Question Type

Answer Box

Variables

Variable nameVariable value
question
A candle maker increases the price of a candle from $20 to $25. What is the percentage increase in his price?
workedSolution
sm_nogap Price increase = 25 $−$ 20 = $5
| | | | --------------------- | -------------- | | $\therefore$ Percentage increase | \= $\dfrac{5}{20}$ × 100 | | | \= 0.25 × 100 | || \= {{{correctAnswer0}}}{{{suffix0}}}|
correctAnswer0
25
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
correctAnswer025

%

Variant 1

DifficultyLevel

719

Question

The price of a new car increases from $40 000 to $45 000.

What is the percentage increase in the price?

Worked Solution

Price increase = 45 000 −− 40 000 = $5 000
∴\therefore Percentage increase = 500040000\dfrac{5000}{40000} × 100
= 0.125 × 100
= 12.5%

Question Type

Answer Box

Variables

Variable nameVariable value
question
The price of a new car increases from $40 000 to $45 000. What is the percentage increase in the price?
workedSolution
sm_nogap Price increase = 45 000 $−$ 40 000 = $5 000
| | | | --------------------- | -------------- | | $\therefore$ Percentage increase | \= $\dfrac{5000}{40000}$ × 100 | | | \= 0.125 × 100 | || \= {{{correctAnswer0}}}{{{suffix0}}}|
correctAnswer0
12.5
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
correctAnswer012.5

%

Variant 2

DifficultyLevel

715

Question

A coffee shop increases the price of a caramel latte from $4.80 to $6.00.

What is the percentage increase in the price?

Worked Solution

Price increase = 6 −− 4.80 = $1.20
∴\therefore Percentage increase = 1.24.8\dfrac{1.2}{4.8} × 100
= 0.25 × 100
= 25%

Question Type

Answer Box

Variables

Variable nameVariable value
question
A coffee shop increases the price of a caramel latte from $4.80 to $6.00. What is the percentage increase in the price?
workedSolution
sm_nogap Price increase = 6 $−$ 4.80 = $1.20
| | | | --------------------- | -------------- | | $\therefore$ Percentage increase | \= $\dfrac{1.2}{4.8}$ × 100 | | | \= 0.25 × 100 | || \= {{{correctAnswer0}}}{{{suffix0}}}|
correctAnswer0
25
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
correctAnswer025

%

Variant 3

DifficultyLevel

721

Question

A clothing store increases the price of a pair of jeans from $85 to $93.50.

What is the percentage increase in the price?

Worked Solution

Price increase = 93.50 −− 85.00 = $8.50
∴\therefore Percentage increase = 8.585\dfrac{8.5}{85} × 100
= 0.1 × 100
= 10%

Question Type

Answer Box

Variables

Variable nameVariable value
question
A clothing store increases the price of a pair of jeans from $85 to $93.50. What is the percentage increase in the price?
workedSolution
sm_nogap Price increase = 93.50 $−$ 85.00 = $8.50
| | | | --------------------- | -------------- | | $\therefore$ Percentage increase | \= $\dfrac{8.5}{85}$ × 100 | | | \= 0.1 × 100 | || \= {{{correctAnswer0}}}{{{suffix0}}}|
correctAnswer0
10
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
correctAnswer010

%

Variant 4

DifficultyLevel

720

Question

A hamburger increases in price from $7.80 to $8.19.

What is the percentage increase in price?

Worked Solution

Price increase = 8.19 −− 7.80 = $0.39
∴\therefore Percentage increase = 0.397.8\dfrac{0.39}{7.8} × 100
= 0.05 × 100
= 5%

Question Type

Answer Box

Variables

Variable nameVariable value
question
A hamburger increases in price from $7.80 to $8.19. What is the percentage increase in price?
workedSolution
sm_nogap Price increase = 8.19 $−$ 7.80 = $0.39
| | | | --------------------- | -------------- | | $\therefore$ Percentage increase | \= $\dfrac{0.39}{7.8}$ × 100 | | | \= 0.05 × 100 | || \= {{{correctAnswer0}}}{{{suffix0}}}|
correctAnswer0
5
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
correctAnswer05

%

Variant 5

DifficultyLevel

722

Question

A price of a new caravan has increased from $75 480 to $84 537.60

What is the percentage increase in price?

Worked Solution

Price increase = 84 537.60 −− 75 480 = $9057.60
∴\therefore Percentage increase = 9057.6075480\dfrac{9057.60}{75 480} × 100
= 0.12 × 100
= 12%

Question Type

Answer Box

Variables

Variable nameVariable value
question
A price of a new caravan has increased from $75 480 to $84 537.60 What is the percentage increase in price?
workedSolution
sm_nogap Price increase = 84 537.60 $−$ 75 480 = $9057.60
| | | | --------------------- | -------------- | | $\therefore$ Percentage increase | \= $\dfrac{9057.60}{75 480}$ × 100 | | | \= 0.12 × 100 | || \= {{{correctAnswer0}}}{{{suffix0}}}|
correctAnswer0
12
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
correctAnswer012

%

Tags

  • ms_ca