SOLUTION: The length of a swimming pool is to be three times the width. If the depth is to be a constant 4 feet and the volume is to be 4800 cubic feet, find the length and width.

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Question 290557: The length of a swimming pool is to be three times the width. If the depth is to be a constant 4 feet and the volume is to be 4800 cubic feet, find the length and width.
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
L=3W
V=LWD
4800=3W*W*4
4800=12W^2
W^2=4800/12
W^2=2400
W^2=400
W=SQRT400
W=20 FT. ANS. FOR THE WIDTH.
L=3*20=60 FT. ANS. FOR THE LENGTH.
PROOF:
4800=60*20*4
4800=4800