Question

Evan is landscaping his backyard. The yard is shaped like a rectangle and measures 80 feet by 70 feet. He wants to spread topsoil evenly over the entire surface. One load of topsoil will cover 400 square feet, 4 inches deep. How many loads of dirt does Evan need in order to cover his entire yard?

Answer 1

Area of backyard =80*70 =5600 square feet. 
one load topsoil covers 400 square feets. 
loads required to cover 5600 square feet =5600/400 =14 

Answer 2

To find the area multiply 70 x 80 which is 5600 then divide 5600 ÷ 400= 14 so evan needs 14 loads of dirt i hope this helps you