If Adam's income is increased by 20% and
Bryan's amount is decreased by 50%,
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 |
+ 20% |
- 50% |
After |
120% = $3900 |
50% = $3900 |
(a)
100% + 20% = 120%
120% of Adam's income = $3900
100% of Adam's income =
3900120 x 100% = $3250
Adam's income = $3250
(b)
100% - 50% = 50%
50% of Bryan's income = $3900
100% of Bryan's income =
390050 x 100% = $7800
(c)
Difference between Adam's income and Bryan's income
= 7800 - 3250
= $4550
Answer(s): (a) $3250; (b) $7800; (c) $4550