Question

find the number of bricks each measuring 25cm ×12.5×7.5 required to construct a wall 12 m long, 5 m high,0.25 m thick , while the sand and cement mixture occupies 5% of the total volume of the wall?
urgently plz!!​

Answer 1

Answer:

Step-by-step explanation:

volume of wall=500×600×5=15000000 volume of mixture=15000000×1/20=750000 left wall volume =15000000_750000=14250000 required brick=14250000/25×12.5×7

5=6080

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