Question

a class room is 12 m long, 5 m wide and 3m high. how many pupils should it be used for if each pupil required 5 m cube of air space ?

Answer 1

find the volume of classroom, i.e., l x b x h
= 12 x 5 x 3
= 180 m^3
now, divide 
 180 / 5 = 36
so 36 people can sit in it.

Answer 2

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