David spent
14 of his allowance on a basketball set. He spent
34 of the remaining allowance on a toy car.
- What fraction of his allowance was left?
- If he had left $27, how much allowance did David have at first?
(a)
Fraction of allowance left after spending on a basketball set
= 1 -
14=
34Fraction of remaining allowance left
= 1 -
34=
14Fraction of his allowance left
=
34 x
14=
316(b)
Amount that David had at first = 16 u
Amount that David had left = 3 u
3 u = 27
1 u = 27 ÷ 3 = 9
Total amount that David had at first
= 16 u
= 16 x 9
= $144
Answer(s): (a)
316; (b) $144