Oscar saved $150 and spent the rest of his money. If he decreased his savings by 20%, his spending would increase by 10%. How much money did Oscar have?
| |
Spent (%) |
Saved (u) |
| Before |
100%
$150 |
100u |
| Change |
- 20% |
+ 10u |
| After |
80% |
110u |
Increase in savings = Decrease in spending
20% savings =
10u spending 100% savings = 150
1% savings = 150 ÷ 100 = 1.5
20% savings = 20 x 1.5 = 30
10u spending = 301u spending = 30 ÷ 10 = 3100u spending = 100 x 3 = 300 Amount that Oscar had
= 150 + 300
= $450
Answer(s): $450
