16Hit1600
AlgebraVery hardCapacity of a bus from a fraction and a count

Algebra practice question

A bus is three quarters full. When 12 more passengers board, every seat is taken. How many seats does the bus have?

Answer: 48

(3/4)s + 12 = s gives s/4 = 12, so s = 48.

Common wrong answers

If you answered 9
9 is three quarters of 12.
If you answered 16
16 divides 12 by 3/4.
If you answered 36
36 is three quarters of 48, the number already seated.

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