If Adam's income decreases 40% from $300 and then increases by 40%, what is Adam's latest income?
|
Original Income (%) |
New income (u) |
Income ($) |
Before 1 |
100% |
|
$300 |
Change 1 |
- 40% |
|
|
After 1 |
60% |
100 u |
$180 |
Change 2 |
|
+ 40 u |
|
After 2 |
|
140 u |
$252 |
100% of Adam's original income = $300
1% of Adam's original income = 300 ÷ 100 = $3
100% - 40% = 60%
60% of Adam's original income = 60 x 3 = $180
100 u of Adam's new income = $180
1 u of Adam's new income = 180 ÷ 100 = $1.80
100 u + 40 u = 140 u
140% of Adam's new income = 140 x 1.80 = $252
Adam's latest income = $252
Answer(s): $252