If Adam's income decreases 40% from $100 and then increases by 40%, what is Adam's latest income?
|
Original Income (%) |
New income (u) |
Income ($) |
Before 1 |
100% |
|
$100 |
Change 1 |
- 40% |
|
|
After 1 |
60% |
100 u |
$60 |
Change 2 |
|
+ 40 u |
|
After 2 |
|
140 u |
$84 |
100% of Adam's original income = $100
1% of Adam's original income = 100 ÷ 100 = $1
100% - 40% = 60%
60% of Adam's original income = 60 x 1 = $60
100 u of Adam's new income = $60
1 u of Adam's new income = 60 ÷ 100 = $0.60
100 u + 40 u = 140 u
140% of Adam's new income = 140 x 0.60 = $84
Adam's latest income = $84
Answer(s): $84