Will spent
13 of his salary on a marble. He spent
23 of the remaining salary on a glowstick.
- What fraction of his salary was left?
- If he had left $12, how much salary did Will have at first?
(a)
Fraction of salary left after spending on a marble
= 1 -
13=
23Fraction of remaining salary left
= 1 -
23=
13Fraction of his salary left
=
23 x
13=
29(b)
Amount that Will had at first = 9 u
Amount that Will had left = 2 u
2 u = 12
1 u = 12 ÷ 2 = 6
Total amount that Will had at first
= 9 u
= 9 x 6
= $54
Answer(s): (a)
29; (b) $54