Pam has a box-shaped lap pool with a width that is 2 times its depth and a length 4 times its depth. If the volume of the pool is 64 cubic feet, then what is the width of the pool?

Answer 1

W=2D

L=4D

V=LWD = 64

= (4D)W(W/2) = (4W/2)W(W/2) = 2W(W^2/2 = W^3 = 64

W = cube root of 64 = (64)^(1/3

= 4 Feet = Width

the dimensions are 4 by 8 by 2 feet,

2 feet Deep

8 feet Long

4 feet Wide

2x8x4 = 64 ft^3