Seth saved $870 and spent the rest of his money. If he decreased his savings by 10%, his spending would increase by 30%. How much money did Seth have?
| |
Spent (%) |
Saved (u) |
| Before |
100%
$870 |
100u |
| Change |
- 10% |
+ 30u |
| After |
90% |
130u |
Increase in savings = Decrease in spending
10% savings =
30u spending 100% savings = 870
1% savings = 870 ÷ 100 = 8.7
10% savings = 10 x 8.7 = 87
30u spending = 871u spending = 87 ÷ 30 = 2.9100u spending = 100 x 2.9 = 290 Amount that Seth had
= 870 + 290
= $1160
Answer(s): $1160
