Math
posted by Cristal perez .
The dimensions of an aquarium are 20 inches long, 14 inches wide, and 18 inches high. If 231 cubic inches of water fill 1 gallon, how many gallons of water are in the aquarium to the nearest gallon?

Volume = 20*14*18 = 5040 cubic inches
Divide the volume by 231 and round to the nearest gallon.