Question

Will give medal!

Eighty percent of a roof, or 2800 square feet of the roof, has been re-shingled. What is the total area of the roof?

a. 22,400 sq ft

b. 2240 sq ft

c. 3500 sq ft

d. 35000 sq ft

Answer 1

Let's call the total area of the roof x

80 percent of x is 2800

'of' in mathematics means multiplication
'is' in mathematics means equal

80% * x = 2800

Can you solve for x?

Answer 2

would i turn 80 into a decimal then? to solve for x?

Answer 3

??

Answer 4

You can do that.

80% = 0.8

Answer 5

So it would be 3500

Answer 6

Correct!

Answer 7

thank you!

Answer 8

It was my pleasure!