If Adam's income increases 20% from $3600 and then falls by 40%, what is his latest income?
|
Original Income (%) |
New income (u) |
Income ($) |
Before 1 |
100% |
|
$3600 |
Change 1 |
+ 20% |
|
|
After 1 |
120% |
100 u |
$4320 |
Change 2 |
|
- 40 u |
|
After 2 |
|
60 u |
$2592 |
100% of Adam's original income = $3600
1% of Adam's original income
= 3600 ÷ 100
= $36
100% + 20% = 120%
120% of Adam's original income
= 120 x 36
= $4320
120% of Adam's original income = 100 u of Adam's new income
100 u of Adam's new income = 4320
1 u of Adam's new income
= 4320 ÷ 100
= $43.20
100 u - 40 u = 60 u
60 u of Adam's new income
= 60 x 43.20
= $2592
Adam's latest income = $2592
Answer(s): $2592