Question

How many cubic feet of wood are needed to build a solid door 7 feet high, 3 feet wide and 2 inches thick? Express your answer as a decimal to the nearest tenth.

Answer 1

you multiply 7x3x2 and you you get 42.0

Answer 2

Answer:3.5

Explanation:

You multipy 7ft*3ft*2/12ft = 21/6 ft = 7/2 ft^3 = 3.5