Question

A Mason lays 84 bricks in 4 hours. At this rate how many bricks can he lay in 9 hours?

Answer 1

Manson lays 84 bricks in 4 hours

In 1 hour, he will lay 84/4 = 21 bricks

The work rate per hour is 21 bricks per hour

In 9 hours, he will lay 21 x 9 = 189 bricks

The answer is 189 bricks