A painter must paint each face of 10 cubes and each cube has

A painter must paint each face of 10 cubes, and each cube has edges 2 meters long. If a quart of paint covers 5 square meters, how many quarts of paint are required to paint the 10 cubes?

Solution

each cube has edges 2 meters long

total surface area of 1 cube = 6*2^2 = 24 m^2

now total surface area of 10 cubes = 10*24 = 240 m^2

If a quart of paint covers 5 square meters

for 240 m^2 = 240 * 5 =1200 quarts (answer)