Question 260349: When 10 cubic feet of water is poured into an empyt fish tank (rectangular Prism), the tank becomes 3/4 full. If the tank is 2 feet 8 inces wide and 40 inches long, how tall is the tank? Answer by drk(1908) (Show Source):
You can put this solution on YOUR website! First we make sure all units are the same -> 2 ft 8 in means 32 inches.
Volume of tank = LWH = 32*40 *H = 1280H
We need a proportion now:
cross multiply to get
divide to get
X = 13.333 cu. ft.
13.3333 cu ft. (12 in / ft)^3 = 1280H cu. in.
17040 cu. in. = 1280H cu. in.
H = 13.3125 in.