Question

How
many
bricks each 25 cm by 15 cm by 8 cm are
required for a wall 32 m long, 3 m high and 40 cm thick?​

Answer 1

Answer:

area of wall = 3200cm x 300cm x 40 cm = 38,400,000

area of 1 brick = 25cm x 15cm x 8cm = 3000

number of bricks = 38,400,000/ 3000 = 12800

Answer 2

Answer:

12800

thanks for the points