A lane 150m long and 9m wide is to be paved with bricks, each measuring 22.5cm by 7.5cm. How many bricks are required?
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area of lane=9×150×10000 cm^2
area of each brick=22.5×7.5
number of bricks=area of lane by area of each bricks
9×150×10000÷22.5×7.5=40000 bricks is answer
area of each brick=22.5×7.5
number of bricks=area of lane by area of each bricks
9×150×10000÷22.5×7.5=40000 bricks is answer
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