If Adam's income increases 30% from $1100 and then falls by 50%, what is his latest income?
|
Original Income (%) |
New income (u) |
Income ($) |
Before 1 |
100% |
|
$1100 |
Change 1 |
+ 30% |
|
|
After 1 |
130% |
100 u |
$1430 |
Change 2 |
|
- 50 u |
|
After 2 |
|
50 u |
$715 |
100% of Adam's original income = $1100
1% of Adam's original income
= 1100 ÷ 100
= $11
100% + 30% = 130%
130% of Adam's original income
= 130 x 11
= $1430
130% of Adam's original income = 100 u of Adam's new income
100 u of Adam's new income = 1430
1 u of Adam's new income
= 1430 ÷ 100
= $14.30
100 u - 50 u = 50 u
50 u of Adam's new income
= 50 x 14.30
= $715
Adam's latest income = $715
Answer(s): $715