SAT Math Multiple Choice Practice Question 390: Answer and Explanation

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Question: 390


The figure above shows the dimensions, in feet, of a stone slab. How many of these slabs are required to construct a rectangular patio 24 feet long and 12 feet wide?

A. 18
B. 20
C. 24
D. 36
E. 48

Correct Answer: D


D The total area of the patio to be constructed is . The slab shown in the figure has an area of 8 ft2. Therefore, to fill the patio you will need slabs.

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