If Adam's income increases 20% from $1700 and then falls by 40%, what is his latest income?
|
Original Income (%) |
New income (u) |
Income ($) |
Before 1 |
100% |
|
$1700 |
Change 1 |
+ 20% |
|
|
After 1 |
120% |
100 u |
$2040 |
Change 2 |
|
- 40 u |
|
After 2 |
|
60 u |
$1224 |
100% of Adam's original income = $1700
1% of Adam's original income
= 1700 ÷ 100
= $17
100% + 20% = 120%
120% of Adam's original income
= 120 x 17
= $2040
120% of Adam's original income = 100 u of Adam's new income
100 u of Adam's new income = 2040
1 u of Adam's new income
= 2040 ÷ 100
= $20.40
100 u - 40 u = 60 u
60 u of Adam's new income
= 60 x 20.40
= $1224
Adam's latest income = $1224
Answer(s): $1224