Brandon spent
15 of his income on a mini plane. He spent
34 of the remaining income on a glowstick.
- What fraction of his income was left?
- If he had left $40, how much income did Brandon have at first?
(a)
Fraction of income left after spending on a mini plane
= 1 -
15=
45Fraction of remaining income left
= 1 -
34=
14Fraction of his income left
=
45 x
14=
420(b)
Amount that Brandon had at first = 20 u
Amount that Brandon had left = 4 u
4 u = 40
1 u = 40 ÷ 4 = 10
Total amount that Brandon had at first
= 20 u
= 20 x 10
= $200
Answer(s): (a)
420; (b) $200