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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