Question

A painter is painting the ceiliing of a square room.The walls are all 15 ft long.If a gallon of paint covers 45 square feet,how many gallons of paint will be needed to cover the entire ceiling?

A.4 gallons
B.5 gallons
C.6 gallons
D.3 gallons

@cwrw238 @iambatman help?

Answer 1

the area of the ceiling is s^2 = 15^2 = 225 ft2
1 gallon ----> 45 ft2
x gallons ----> 225 ft2

x = 225*1/45

Answer 2

what do i do??

Answer 3

calculate x

Answer 4

i cant caculate 225 x 1/45 i cant put a /

Answer 5

"/" is divide

Answer 6

5??

Answer 7

correct