Pool coating

How many tiles 25 cm × 15 cm need to coat the bottom and sidewalls of the pool with bottom dimensions 30 m × 5 m, if the pool can fit up to 271500 liters of water?

Correct answer:

n =  7379

Step-by-step explanation:

V=abc c=Vab=271.5 m3305=1.81 m S1=2515/100/100=0.0375m2  S=305+21.8130+21.815=276.7m2  n=S/S1=276.7/0.0375=7379 

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