A new sidewalk will be 4 feet wide, 100 feet long, and filled to a depth of 9 inches (0.75 foot) with concrete. How many cubic yards of concrete are needed?

Question

A new sidewalk will be 4 feet wide, 100 feet long, and filled to a depth of 9 inches (0.75 foot) with concrete. How many cubic yards of concrete are neede?

Answer 1

V = l x w x h

 

V = 100ft x 4ft x .75ft = ? ft^3

 

I bet you can complete this now.