John spent
14 of his salary on rental and gave
15 of his salary to his mother. In the end, he was left with $330 for himself.
- What fraction of his salary had he left?
- How much was his salary?
(a)
Fraction of the salary left
= 1 -
14 -
15= 1 -
520 -
420=
1120 (b)
John's salary = 20 u
Amount that John had left = 11 u
11 u = 330
1 u = 330 ÷ 11 = 30
John's salary
= 20 u
= 20 x 30
= $600
Answer(s): (a)
1120;(b) $600