Question

A classroom is 12 m long, 5 m wide, and 3 m high. How many pupils should it be used for if its pupil required 5 m³ of air space?

Answer 1

volume of rom = 12 *5*3= 180 m3 
air = 5m3 per head 
therefore  , pupils=180/5=36 pupils 
hope u understood

Answer 2

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