Number, 133456789

Question

{{{question}}}

Worked Solution

{{{workedSolution}}}

Variant 0

DifficultyLevel

708

Question

A car dealer decreases the price of a car from $50 000 to $45 000.

What is the percentage decrease in the price?

Worked Solution

Price decrease = 50 000 −− 45 000 = $5 000
∴\therefore Percentage decrease = 500050000\dfrac{5000}{50000} × 100
= 0.10 × 100
= 10%

Question Type

Answer Box

Variables

Variable nameVariable value
question
A car dealer decreases the price of a car from $50 000 to $45 000. What is the percentage decrease in the price?
workedSolution
sm_nogap Price decrease = 50 000 $−$ 45 000 = $5 000
| | | | --------------------- | -------------- | | $\therefore$ Percentage decrease | \= $\dfrac{5000}{50000}$ × 100 | | | \= 0.10 × 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 1

DifficultyLevel

712

Question

A department store advertises a sale. John purchases a suit for $300 that was originally priced at $500.

What is the percentage decrease in the price?

Worked Solution

Price decrease = 500 −− 300 = $200
∴\therefore Percentage decrease = 200500\dfrac{200}{500} × 100
= 0.40 × 100
= 40%

Question Type

Answer Box

Variables

Variable nameVariable value
question
A department store advertises a sale. John purchases a suit for $300 that was originally priced at $500. What is the percentage decrease in the price?
workedSolution
sm_nogap Price decrease = 500 $−$ 300 = $200
| | | | --------------------- | -------------- | | $\therefore$ Percentage decrease | \= $\dfrac{200}{500}$ × 100 | | | \= 0.40 × 100 | || \= {{{correctAnswer0}}}{{{suffix0}}}|
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 2

DifficultyLevel

718

Question

A lounge suite decreases in price from $3300 to $2640.

What is the percentage decrease in the price?

Worked Solution

Price decrease = 3300 −− 2640 = $660
∴\therefore Percentage decrease = 6603300\dfrac{660}{3300} × 100
= 0.20 × 100
= 20%

Question Type

Answer Box

Variables

Variable nameVariable value
question
A lounge suite decreases in price from $3300 to $2640. What is the percentage decrease in the price?
workedSolution
sm_nogap Price decrease = 3300 $−$ 2640 = $660
| | | | --------------------- | -------------- | | $\therefore$ Percentage decrease | \= $\dfrac{660}{3300}$ × 100 | | | \= 0.20 × 100 | || \= {{{correctAnswer0}}}{{{suffix0}}}|
correctAnswer0
20
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
correctAnswer020

%

Variant 3

DifficultyLevel

717

Question

A supermarket decreases the price of a kilogram of gala apples from $4.50 to $3.60.

What is the percentage decrease in the price?

Worked Solution

Price decrease = 4.50 −− 3.60 = $0.90
∴\therefore Percentage decrease = 0.94.50\dfrac{0.9}{4.50} × 100
= 0.20 × 100
= 20%

Question Type

Answer Box

Variables

Variable nameVariable value
question
A supermarket decreases the price of a kilogram of gala apples from $4.50 to $3.60. What is the percentage decrease in the price?
workedSolution
sm_nogap Price decrease = 4.50 $−$ 3.60 = $0.90
| | | | --------------------- | -------------- | | $\therefore$ Percentage decrease | \= $\dfrac{0.9}{4.50}$ × 100 | | | \= 0.20 × 100 | || \= {{{correctAnswer0}}}{{{suffix0}}}|
correctAnswer0
20
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
correctAnswer020

%

Variant 4

DifficultyLevel

716

Question

A family holiday to Disneyworld in Florida is reduced in price from $4100 to $3895.

What is the percentage decrease in the price?

Worked Solution

Price decrease = 4100 −− 3895 = $205
∴\therefore Percentage decrease = 2054100\dfrac{205}{4100} × 100
= 0.05 × 100
= 5%

Question Type

Answer Box

Variables

Variable nameVariable value
question
A family holiday to Disneyworld in Florida is reduced in price from $4100 to $3895. What is the percentage decrease in the price?
workedSolution
sm_nogap Price decrease = 4100 $−$ 3895 = $205
| | | | --------------------- | -------------- | | $\therefore$ Percentage decrease | \= $\dfrac{205}{4100}$ × 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

716

Question

A family ticket to Taronga Zoo in Sydney reduced in price from $90 to $73.80.

What is the percentage decrease in the price?

Worked Solution

Price decrease = 90 −− 73.80 = $16.20
∴\therefore Percentage decrease = 16.2090\dfrac{16.20}{90} × 100
= 0.18 × 100
= 18%

Question Type

Answer Box

Variables

Variable nameVariable value
question
A family ticket to Taronga Zoo in Sydney reduced in price from $90 to $73.80. What is the percentage decrease in the price?
workedSolution
sm_nogap Price decrease = 90 $−$ 73.80 = $16.20
| | | | --------------------- | -------------- | | $\therefore$ Percentage decrease | \= $\dfrac{16.20}{90}$ × 100 | | | \= 0.18 × 100 | || \= {{{correctAnswer0}}}{{{suffix0}}}|
correctAnswer0
18
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
correctAnswer018

%

Tags

  • ms_ca