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

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Solution

Volume of classroom $= l \times b \times b$

$= 12 \times 5 \times 3$

$= 180 m^{3}$

$5 m^{3}$ air space is required $= \frac{180}{5}$

$= 36$

So $36$ people can sit in it

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

Volume of classroom =l×b×b =12×5×3 =180m35m3 air space is required =1805 =36So 36 people can sit in it

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

Volume of classroom $= l \times b \times b$

$= 12 \times 5 \times 3$

$= 180 m^{3}$

$5 m^{3}$ air space is required $= \frac{180}{5}$

$= 36$

So $36$ people can sit in it