Rael spent
13 of his allowance on a glowstick. He spent
34 of the remaining allowance on a lego set.
- What fraction of his allowance was left?
- If he had left $16, how much allowance did Rael have at first?
(a)
Fraction of allowance left after spending on a glowstick
= 1 -
13=
23Fraction of remaining allowance left
= 1 -
34=
14Fraction of his allowance left
=
23 x
14=
212(b)
Amount that Rael had at first = 12 u
Amount that Rael had left = 2 u
2 u = 16
1 u = 16 ÷ 2 = 8
Total amount that Rael had at first
= 12 u
= 12 x 8
= $96
Answer(s): (a)
212; (b) $96