Number, NAPX-p169733v02

Question

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Worked Solution

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Variant 0

DifficultyLevel

575

Question

Hilary wants to buy second hand furniture for her new flat.

She went to a charity store that sold furniture with the pricing listed in the table below.



She decided to buy one of each furniture item listed.

Which of these gives the correct range of the total cost of the furniture that she bought?

Worked Solution

Estimate the price of each furniture:
$69.20 ≈ $70
$298.75 ≈ $300
$79.50 ≈ $80
$112.30 ≈ $110

Total cost of furniture = 70 + 300 + 80 + 110
= $560

∴\therefore The range of the total cost is around $550 – $575.

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
Hilary wants to buy second hand furniture for her new flat. She went to a charity store that sold furniture with the pricing listed in the table below.
sm_img https://teacher.smartermaths.com.au/wp-content/uploads/2021/05/p169733v02-300x147.png 270 indent3 vpad
She decided to buy one of each furniture item listed. Which of these gives the correct range of the total cost of the furniture that she bought?
workedSolution
sm_nogap Estimate the price of each furniture:
>>|| |-| |$69.20 ≈ $70| |$298.75 ≈ $300| |$79.50 ≈ $80| |$112.30 ≈ $110|

||| |-|-| |Total cost of furniture|= 70 + 300 + 80 + 110| | |= $560|

$\therefore$ The range of the total cost is around $550 – $575.
correctAnswer
$550 – $575

Answers

Is Correct?Answer
x

$475 – $500

x

$500 – $525

x

$525 – $550

✓

$550 – $575

Variant 1

DifficultyLevel

575

Question

Nicolas wants to build his own desktop gaming setup.

The shop’s prices for different gaming components are as follows:



Nicolas bought all 4 components from the shop.

Which of these gives the correct range of the total cost of his purchase?

Worked Solution

Estimate the price of each furniture:
$54.30 ≈ $55
$23.50 ≈ $25
$248.60 ≈ $250
$158.25 ≈ $160

Total cost of furniture = 55 + 25 + 250 + 160
= $490

∴\therefore The range of the total cost is around $475 – $500.

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
Nicolas wants to build his own desktop gaming setup. The shop’s prices for different gaming components are as follows:
sm_img https://teacher.smartermaths.com.au/wp-content/uploads/2021/05/p169733v01-300x137.png 320 indent3 vpad
Nicolas bought all 4 components from the shop. Which of these gives the correct range of the total cost of his purchase?
workedSolution
sm_nogap Estimate the price of each furniture:
>>|| |-| |$54.30 ≈ $55| |$23.50 ≈ $25| |$248.60 ≈ $250| |$158.25 ≈ $160|

||| |-|-| |Total cost of furniture|= 55 + 25 + 250 + 160| | |= $490|

$\therefore$ The range of the total cost is around $475 – $500.
correctAnswer
$475 – $500

Answers

Is Correct?Answer
x

$450 – $475

✓

$475 – $500

x

$500 – $525

x

$525 – $550

Tags

  • nap_nc