Cheryl purchased 5 identical hollow pine doors and 6 identical solid oak doors…

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Last Updated on May 11, 2023

GMAT OFFICIAL GUIDE PS

Solution:

Since the regular price of each hollow pine door = 40 dollars, the regular price of each solid oak door is (2)(4) = 80 dollars.

With a 25% discount, each solid oak door is sold for 0.75(80) = 60 dollars.

So, the six oak doors cost 6 x 60 = 360 dollars, and the five pine doors cost 5 x 40 = 200 dollars. Thus, the total is 560 dollars.

Answer: C

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