Question

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 35,000 sq ft
B 22.400 sq ft
C 3500 sq ft
D 2240 sq ft

Answer 1

a) 35,000 sq ft

Explanation:

x = total area

the question is: 80% of what number equals 2800

.8x = 2800

x = 2800/0.8

x = 3500