Question

A lane 150m long and 9m wide is to be paved with bricks, each measuring 22.5cm by 7.5cm. How many bricks are required?

Answer 1

therefore number of the books required would be
$\frac{volume \:of \: lane}{volmeof \: bricks}$
$\frac{l \times b}{l \times b}$
150*9
-------------
22.5*7.5


1350/ 168.75

8
therefore 8 bricks would be required