Number, NAPX-p111587v02

Question

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Worked Solution

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Variant 0

DifficultyLevel

498

Question

Lorenzo had a $10 note.

He decided to buy 13 tokens that are worth 60 cents each to play in the arcade.

How much change will he get?

Worked Solution
∴\therefore Change = 10 −- (13 × 0.60)
= 10 −- 7.80
= $2.20

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
Lorenzo had a $10 note. He decided to buy 13 tokens that are worth 60 cents each to play in the arcade. How much change will he get?
workedSolution
||| |-|-| |$\therefore$ Change|= 10 $-$ (13 × 0.60)| ||= 10 $-$ 7.80| ||= $2.20|
correctAnswer
$2.20

Answers

Is Correct?Answer
✓

$2.20

x

$3.20

x

$6.80

x

$7.80

Variant 1

DifficultyLevel

498

Question

Jillian has $25 for buying some groceries.

At the supermarket, she bought 10 oranges that cost $0.25 each and 8 sweet potatoes that cost $1.50 each.

How much money did Jillian have left?

Worked Solution
Total cost = (10 × 0.25) + (8 × 1.50)
= 2.50 + 12.00
= $14.50

∴\therefore Change = 25.00 −- 14.50
= $10.50

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
Jillian has $25 for buying some groceries. At the supermarket, she bought 10 oranges that cost $0.25 each and 8 sweet potatoes that cost $1.50 each. How much money did Jillian have left?
workedSolution
||| |-|-| |Total cost|= (10 × 0.25) + (8 × 1.50)| ||= 2.50 + 12.00| ||= $14.50|

||| |-|-| |$\therefore$ Change|= 25.00 $-$ 14.50| ||= $10.50|
correctAnswer
$10.50

Answers

Is Correct?Answer
x

$7.50

x

$9.50

✓

$10.50

x

$12.50

Tags

  • nap_nc