A lane , 50m long and 9m wide is to be paved with bricks each measuring 22.5 cm by 7.5 cm . find the number of bricks required.
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we have
area of lane =50m×9m
=5000cm×900cm
=4500000cm^2
area of brick=22.5cm×7.5cm
168.75cm^2
so total no of bricks to pave lane=4500000÷168.75=26666.66
Hence no of bricks =26667 (approx.)
area of lane =50m×9m
=5000cm×900cm
=4500000cm^2
area of brick=22.5cm×7.5cm
168.75cm^2
so total no of bricks to pave lane=4500000÷168.75=26666.66
Hence no of bricks =26667 (approx.)
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