Question

How many bricks of length 20 cm will be needed to keep along the foot of a wall of 80 meters long

Answer 1

Answer:

As we know,

1m=100cm

so,

80m=80*100

=8000cm

.

. .the length of brick=20cm

the brick required to be put in 80m=(8000/20)cm

=400bricks

Answer 2

Answer:

400 bricks..

Step-by-step explanation:

400 bricks are needed to be make it 80m long.

80 metres = 80x100 = 8000 cm. hence 400 bricks needed.

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