Asked by Jessica

A rectangular lap pool has a constant depth. The length of the pool is 9 times the width, and the surface area of the water is 81 square feet. What are the dimensions of the pool? Include units.

Answers

Answered by Reiny
width --- x
length ---9x

x(9x) = 81
x^2 = 9
x = 3

the pool is 3 ft by 27 ft.

(I bet whoever swims in that pool is fantastic at flip-turns )
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