If Bryan's income is increased by 30% and
Adam's amount is decreased by 20%,
both will get $3900 each.
- How much is Bryan's income?
- How much is Adam's income?
- What is the difference between Bryan's income and Adam's income?
|
Bryan |
Adam |
Before |
100% |
100% |
Change |
+ 30% |
- 20% |
After |
130% = $3900 |
80% = $3900 |
(a)
100% + 30% = 130%
130% of Bryan's income = $3900
100% of Bryan's income =
3900130 x 100% = $3000
Bryan's income = $3000
(b)
100% - 20% = 80%
80% of Adam's income = $3900
100% of Adam's income =
390080 x 100% = $4875
(c)
Difference between Bryan's income and Adam's income
= 4875 - 3000
= $1875
Answer(s): (a) $3000; (b) $4875; (c) $1875