Question

A wall 18m long 120cm high and 45cm thick is it to be constructed using bricks of dimensions 30cm by 15cm by 10 cm how many bricks will be required

Answer 1

Volume of wall=1800×120×45
volume of brick=30×15×10
so required bricks=1800×120×45/30×15×10
=2160

Answer 2

Answer:

No. of bricks = (Volume of wall) ÷ (Volume of 1 brick) = (1800 cm × 120 cm × 45 cm)÷(30 cm × 15 cm × 10 cm) = 2160

Step-by-step explanation: