Question 252109: A 15-foot by 32-foot rectangular pool is surrounded by a 3-foot wide walkway so that the pool and the walkway make a larger rectangle. How many 6-inch by 6-inch square tiles are required to pave this walkway?
A. 318 B. 424 C. 636 D. 1128 E. 1272
Answer by MRperkins(300)   (Show Source):
You can put this solution on YOUR website! One method of solving this problem is to get everything in inches. Then find the area of the outer rectangle and subtract the area of the inner rectangle. This gives you the area of the rectangular path that you are wanting to find. Next, you need to find out how many 6 in by 6in squares are needed to give you that square footage. Well how many square feet does one 6x6in square give you? 36 sq ft. So divide your square footage by 36 and this will give you the number of tiles needed.
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