A building has a perimeter of 100 feet. The foundation is 16 inches wide and 12 inches deep. Find the number of cubic yards needed for the foundation.

Answer 1

First since there are 3 feet per yard, 3³ is 27ft³ per cubic yard

Convert all the inches to feet

Multiply the feet to get ft³

Then divide your cubic ft by 27.

Perimeter is 100 ft

12 inches deep is 1ft

16 inches wide is 1 and 1/3 ft