Rael spent
35 of his salary on a lego set. He spent
23 of the remaining salary on a glowstick.
- What fraction of his salary was left?
- If he had left $10, how much salary did Rael have at first?
(a)
Fraction of salary left after spending on a lego set
= 1 -
35=
25Fraction of remaining salary left
= 1 -
23=
13Fraction of his salary left
=
25 x
13=
215(b)
Amount that Rael had at first = 15 u
Amount that Rael had left = 2 u
2 u = 10
1 u = 10 ÷ 2 = 5
Total amount that Rael had at first
= 15 u
= 15 x 5
= $75
Answer(s): (a)
215; (b) $75