If Adam's income increases 50% from $3900 and then falls by 10%, what is his latest income?
|
Original Income (%) |
New income (u) |
Income ($) |
Before 1 |
100% |
|
$3900 |
Change 1 |
+ 50% |
|
|
After 1 |
150% |
100 u |
$5850 |
Change 2 |
|
- 10 u |
|
After 2 |
|
90 u |
$5265 |
100% of Adam's original income = $3900
1% of Adam's original income
= 3900 ÷ 100
= $39
100% + 50% = 150%
150% of Adam's original income
= 150 x 39
= $5850
150% of Adam's original income = 100 u of Adam's new income
100 u of Adam's new income = 5850
1 u of Adam's new income
= 5850 ÷ 100
= $58.50
100 u - 10 u = 90 u
90 u of Adam's new income
= 90 x 58.50
= $5265
Adam's latest income = $5265
Answer(s): $5265