Question

If the average student spends 54 minutes( 15%) walking to and from school, how much time is spent on (5%) lunch?

Answer 1

`(t)/(54)=\frac{5/15}=18 / minutes`
..........................................................................

Answer 2

54 = 15.
? = 5.
54 / 3 = 18.
18 minutes is spent on lunch.

Hope this helps.