Question

7. How many bricks will be required to construct a wall 8 m long, 6 m high
and 22.5 cm thick if each brick measures (25 cm X 11.25 cm x 6 cm)?​

Answer 1

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Answer 2

Answer:

6,40,000

step by step explanation:

8m=8×100cm

6m= 6×100cm

22.5m=22.5×100cm

area of wall= 8×100×6×100×22.5×100

=1080×100×100×100

area of 1 brick=25×11.25×6

=1687.5

no of bricks=area of wall

area of 1 brick

no of bricks=1080×100×100×100

1687.5

=108000×100×100×10

16875

=6.4×10×100×100

no of bricks=6,40,000 bricks