Question

Obaid wants to paint the ceiling of his restaurant. The ceiling is in the shape of a square. Its side lengths are 15 meters. Suppose each can of paint will cover 25 square meters. How many cans will he need to paint the ceiling?

Answer 1

9 cans

Explanation

Side length of the squared ceiling = 15m

Area of a square = side x side = 15 x 15 =
`225m^(2)`

Area of paint each can covers = 25m

∴Number of paint cans needed to paint the entire ceiling =
`(225)/(25)` = 9 cans