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

What is the area of the yard?

Answer 2

arr???

Answer 3

Are you sure about that wolfe?

Answer 4

@wolfe "subtract"?

Answer 5

if i do BxH i get 5600
so then subtract the 400
and get 5200!

Answer 6

You need to cover 5600 square feet. Each load covers 400 square feet. divide 5600 by 400 to see how many loads are needed.

Answer 7

but my answer options are
14
16
18
20
??

Answer 8

Choose the first one.

Answer 9

thanks!

Answer 10

@wolfe you're right, we can divide by repeatedly subtract, but that's reserved for grade school where they have not yet learned division.