Japheth spent
15 of his salary on a marble. He spent
23 of the remaining salary on a toy figurine.
- What fraction of his salary was left?
- If he had left $20, how much salary did Japheth have at first?
(a)
Fraction of salary left after spending on a marble
= 1 -
15=
45Fraction of remaining salary left
= 1 -
23=
13Fraction of his salary left
=
45 x
13=
415(b)
Amount that Japheth had at first = 15 u
Amount that Japheth had left = 4 u
4 u = 20
1 u = 20 ÷ 4 = 5
Total amount that Japheth had at first
= 15 u
= 15 x 5
= $75
Answer(s): (a)
415; (b) $75