If Adam's income is increased by 20% and
Bryan's amount is decreased by 40%,
both will get $2400 each.
- How much is Adam's income?
- How much is Bryan's income?
- What is the difference between Adam's income and Bryan's income?
|
Adam |
Bryan |
Before |
100% |
100% |
Change |
+ 20% |
- 40% |
After |
120% = $2400 |
60% = $2400 |
(a)
100% + 20% = 120%
120% of Adam's income = $2400
100% of Adam's income =
2400120 x 100% = $2000
Adam's income = $2000
(b)
100% - 40% = 60%
60% of Bryan's income = $2400
100% of Bryan's income =
240060 x 100% = $4000
(c)
Difference between Adam's income and Bryan's income
= 4000 - 2000
= $2000
Answer(s): (a) $2000; (b) $4000; (c) $2000