If Adam's income is increased by 10% and
Bryan's amount is decreased by 20%,
both will get $2200 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 |
+ 10% |
- 20% |
After |
110% = $2200 |
80% = $2200 |
(a)
100% + 10% = 110%
110% of Adam's income = $2200
100% of Adam's income =
2200110 x 100% = $2000
Adam's income = $2000
(b)
100% - 20% = 80%
80% of Bryan's income = $2200
100% of Bryan's income =
220080 x 100% = $2750
(c)
Difference between Adam's income and Bryan's income
= 2750 - 2000
= $750
Answer(s): (a) $2000; (b) $2750; (c) $750