# SAT Math Multiple Choice Practice Question 500: Answer and Explanation

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**Question: 500**

**20.** If a rectangular swimming pool has a volume of 16,500 cubic feet, a uniform depth of 10 feet, and a length of 75 feet, what is the width of the pool, in feet?

A. 22

B. 26

C. 32

D. 110

E. 1,650

**Correct Answer:** A

**Explanation:**

**A** For this question, you need to know that volume equals *length × width × height*. You know that the volume is 16,500, the depth, or height, is 10, and the length is 75. Just put those numbers in the formula: 16,500 = 75 × *w* × 10. Use your calculator to solve for *w*, which equals 22.