Oscar saved $480 and spent the rest of his money. If he increased his savings by 20%, his spending would decrease by 30%. How much money did Oscar have?
| |
Spent (%) |
Saved (u) |
| Before |
100%
$480 |
100u |
| Change |
+ 20% |
- 30u |
| After |
120% |
70u |
Increase in savings = Decrease in spending
20% savings =
30u spending 100% savings = 480
1% savings = 480 ÷ 100 = 4.8
20% savings = 20 x 4.8 = 96
30 u spending = 961 u spending = 96 ÷ 30 = 3.2100 u spending = 100 x 3.2 = 320 Amount that Oscar had
= 480 + 320
= $800
Answer(s): $800
