A lane, 150m long and 9m wide, is to be paved with bricks, each measuring 22.5cm by 7cm . find the number of bricks required.
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Step-by-step explanation:
area of lane = 150×9= 1350m
area of brick = 22.5× 7 = 157.5 cm = 157.5/100 = 1.575m
no. of bricks = 1350÷1.575 = 858
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