Bryan saved $420 and spent the rest of his money. If he increased his savings by 10%, his spending would decrease by 12%. How much money did Bryan have?
| |
Spent (%) |
Saved (u) |
| Before |
100%
$420 |
100u |
| Change |
+ 10% |
- 12u |
| After |
110% |
88u |
Increase in savings = Decrease in spending
10% savings =
12u spending 100% savings = 420
1% savings = 420 ÷ 100 = 4.2
10% savings = 10 x 4.2 = 42
12 u spending = 421 u spending = 42 ÷ 12 = 3.5100 u spending = 100 x 3.5 = 350 Amount that Bryan had
= 420 + 350
= $770
Answer(s): $770
