Question

A wall is 8 m long 4 m high, and 22.5 cm thick. How many bricks of length 25 cm, breadth
cm, and 8 cm high are needed to build the wall?
​

Answer 1

Answer:

l×b×h divide it by lxbxh of brick

Answer 2

ANSWER

1600

Step-by-step explanation:

8m=800cm

4m=400cm

as:lbh

400.800.22.5=7200000

now given

brick of width would be equal of wall

so,

l. b. h=8*25*22.5=4500

7200000=n*4500

n=7200000/4500

n=1600