If Adam's income is increased by 30% and
Bryan's amount is decreased by 40%,
both will get $3900 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 |
+ 30% |
- 40% |
After |
130% = $3900 |
60% = $3900 |
(a)
100% + 30% = 130%
130% of Adam's income = $3900
100% of Adam's income =
3900130 x 100% = $3000
Adam's income = $3000
(b)
100% - 40% = 60%
60% of Bryan's income = $3900
100% of Bryan's income =
390060 x 100% = $6500
(c)
Difference between Adam's income and Bryan's income
= 6500 - 3000
= $3500
Answer(s): (a) $3000; (b) $6500; (c) $3500