How many gallons of water are needed to raise the level of a swimming pool 75' x 42' four inches above its present level?
( 1 cubic foot= 7 1/2 gallons )
1 answer
75*42*(1/3) ft^3 * 7.5gal/ft^3 = 7875 gal
( 1 cubic foot= 7 1/2 gallons )
1 answer
1 answer
1 answer
1 answer
1 answer