Question

1) Mark is buying 4 chairs for his business. The table shows the prices and the advertised sales for the same type

of chair at 4 chair stores.
Based on the advertised sales, at which store will mark get the lowest price on 4 chairs?
A) Store A: Buy 3 chairs and get the 4th chair free
B) Store B: Buy 4 chairs and receive $150 off the price of each chair
C) Store C: Buy 4 chairs and receive $550 off the total price
D) Store D: Buy 4 chairs and receive 35% off the total price
Quantitative Reasoning
(QR.6) Proportional Relationships
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Answer 1

It's Store C

Hope this helps :)

Explanation:

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Answer 2

The store which will make the lowest price on 4 chairs is store B.

Which store will mark get the lowest price on 4 chairs?

A) Store A: Buy 3 chairs and get the 4th chair free

Price = $200

Cost of 4 chairs = (3 × $200)

= $600

B) Store B: Buy 4 chairs and receive $150 off the price of each chair

Price = $250 - $150 off

= $100

Cost of 4 chairs = (4 × $100)

= $400

C) Store C: Buy 4 chairs and receive $550 off the total price

Price = $275

Cost of 4 chairs = (4 × $275) - $550

= $1100 - $550

= $550

D) Store D: Buy 4 chairs and receive 35% off the total price

Price = $250

Cost of 4 chairs = (4 × $250) - 35% off

= $1000 - 35% of $1000

= $1000 - $350

= $650