Number, NAP 08-2025

Question

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Worked Solution

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Variant 0

DifficultyLevel

432

Question

A pet shop sells small goldfish at $2.60 each or 4 for $10.

What is the lowest cost for 10 small goldfish?

Worked Solution

Lowest price for 10 goldfish
= 2 ×\times $10 + 2 ×\times $2.40
= $20 + $4.80
= $24.80

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
A pet shop sells small goldfish at $2.60 each or 4 for $10. What is the lowest cost for 10 small goldfish?
workedSolution
sm_nogap Lowest price for 10 goldfish
> > | | > > | ------------------------------------------- | > > | = 2 $\times$ \$10 + 2 $\times$ \$2.40 | > > | = \$20 + \$4.80 | > > | = $24.80 |
correctAnswer
\$24.80

Answers

Is Correct?Answer
x

$20

✓

$24.80

x

$25.60

x

$26

Variant 1

DifficultyLevel

434

Question

A bakery sells bread rolls at $0.80 each or 6 for $4.

What is the lowest cost for 15 bread rolls?

Worked Solution

Lowest price for 15 bread rolls
= 2 ×\times $4 + 3 ×\times $0.80
= $8 + $2.40
= $10.40

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
A bakery sells bread rolls at $0.80 each or 6 for $4. What is the lowest cost for 15 bread rolls?
workedSolution
sm_nogap Lowest price for 15 bread rolls
> > | | > > | ------------------------------------------- | > > | = 2 $\times$ \$4 + 3 $\times$ \$0.80 | > > | = \$8 + \$2.40 | > > | = $10.40 |
correctAnswer
\$10.40

Answers

Is Correct?Answer
x

$12

x

$11.20

✓

$10.40

x

$10.20

Variant 2

DifficultyLevel

436

Question

A fruit shop sells beans at $6.50 per kilogram or 2 kilograms for $10.

What is the lowest cost for 5 kilograms of beans?

Worked Solution

Lowest price for 5 kilograms of beans
= 2 ×\times $10 + 1 ×\times $6.50
= $20 + $6.50
= $26.50

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
A fruit shop sells beans at $6.50 per kilogram or 2 kilograms for $10. What is the lowest cost for 5 kilograms of beans?
workedSolution
sm_nogap Lowest price for 5 kilograms of beans
> > | | > > | ------------------------------------------- | > > | = 2 $\times$ \$10 + 1 $\times$ \$6.50 | > > | = \$20 + \$6.50 | > > | = \$26.50 |
correctAnswer
\$26.50

Answers

Is Correct?Answer
x

$21.50

✓

$26.50

x

$29.50

x

$32.50

Variant 3

DifficultyLevel

438

Question

Packets of seeds at the native plant nursery cost $1.80 each or 3 for $5.

What is the lowest cost for 8 packets of seeds?

Worked Solution

Lowest price for 8 packets of seeds
= 2 ×\times $5 + 2 ×\times $1.80
= $10 + $3.60
= $13.60

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
Packets of seeds at the native plant nursery cost $1.80 each or 3 for $5. What is the lowest cost for 8 packets of seeds?
workedSolution
sm_nogap Lowest price for 8 packets of seeds
> > | | > > | ------------------------------------------- | > > | = 2 $\times$ \$5 + 2 $\times$ \$1.80 | > > | = \$10 + \$3.60 | > > | = \$13.60 |
correctAnswer
\$13.60

Answers

Is Correct?Answer
x

$15

x

$14.40

x

$14

✓

$13.60

Tags

  • staging_suejones