Ivan spent
25 of his salary on a frisbee. He spent
23 of the remaining salary on a board game.
- What fraction of his salary was left?
- If he had left $15, how much salary did Ivan have at first?
(a)
Fraction of salary left after spending on a frisbee
= 1 -
25=
35Fraction of remaining salary left
= 1 -
23=
13Fraction of his salary left
=
35 x
13=
315(b)
Amount that Ivan had at first = 15 u
Amount that Ivan had left = 3 u
3 u = 15
1 u = 15 ÷ 3 = 5
Total amount that Ivan had at first
= 15 u
= 15 x 5
= $75
Answer(s): (a)
315; (b) $75