If Adam's income decreases 30% from $300 and then increases by 30%, what is Adam's latest income?
|
Original Income (%) |
New income (u) |
Income ($) |
Before 1 |
100% |
|
$300 |
Change 1 |
- 30% |
|
|
After 1 |
70% |
100 u |
$210 |
Change 2 |
|
+ 30 u |
|
After 2 |
|
130 u |
$273 |
100% of Adam's original income = $300
1% of Adam's original income = 300 ÷ 100 = $3
100% - 30% = 70%
70% of Adam's original income = 70 x 3 = $210
100 u of Adam's new income = $210
1 u of Adam's new income = 210 ÷ 100 = $2.10
100 u + 30 u = 130 u
130% of Adam's new income = 130 x 2.10 = $273
Adam's latest income = $273
Answer(s): $273