If Adam's income decreases 10% from $4200 and then decreases by another 40%, what is the new income?
|
Original Income (%) |
New income (u) |
Income ($) |
Before 1 |
100% |
|
$4200 |
Change 1 |
- 10% |
|
|
After 1 |
90% |
100 u |
$3780 |
Change 2 |
|
- 40 u |
|
After 2 |
|
60 u |
$2268 |
100% of Adam's original income = $4200
1% of Adam's original income
= 4200 ÷ 100
= $42
100% - 10% = 90%
90% of Adam's original income
= 90 x 42
= $3780
90% of Adam's original income = 100 u of Adam's new income
100 u of Adam's new income = $3780
1 u of Adam's new income
= 3780 ÷ 100
= $37.80
100 u - 40 u = 60 u
60 u of Adam's new income
= 60 x 37.80
= $2268
Adam's latest income = $2268
Answer(s): $2268