How many bricks of dimensions 24cm x 8cm are needed to build a wall of length 72 m and width 8m?
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answer:39,000bricks
Step-by-step explanation:
72Mts=7200cms
8Mts=800cm
area of wall=7200×800=5760000cm^2
area of brick=24×8=192cm^2
no of bricks=area of wall/area of brick
=5760000÷192
=30,000bricks
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