If Adam's income is increased by 25% and
Bryan's amount is decreased by 20%,
both will get $4000 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 |
+ 25% |
- 20% |
After |
125% = $4000 |
80% = $4000 |
(a)
100% + 25% = 125%
125% of Adam's income = $4000
100% of Adam's income =
4000125 x 100% = $3200
Adam's income = $3200
(b)
100% - 20% = 80%
80% of Bryan's income = $4000
100% of Bryan's income =
400080 x 100% = $5000
(c)
Difference between Adam's income and Bryan's income
= 5000 - 3200
= $1800
Answer(s): (a) $3200; (b) $5000; (c) $1800