Question

4.How many bricks will be needed to construct a wall 8m long, 6m high and 22cm thick if each brick measures (25cm×11cm×6cm)? ​

Answer 1

Step-by-step explanation:

length of the wall=8m=800cm

breadth of the wall=22cm

height of the wall=6m=600cm

now,it is given that,volume of the brick is (25cm×11cm×6cm)then;

volume of the wall÷volume of the brick

=800cm×22cm×600cm÷25cm×11cm×6cm

=6400

so 6400 bricks would be needed