Elijah saved $170 and spent the rest of his money. If he increased his savings by 15%, his spending would decrease by 17%. How much money did Elijah have?
| |
Spent (%) |
Saved (u) |
| Before |
100%
$170 |
100u |
| Change |
+ 15% |
- 17u |
| After |
115% |
83u |
Increase in savings = Decrease in spending
15% savings =
17u spending 100% savings = 170
1% savings = 170 ÷ 100 = 1.7
15% savings = 15 x 1.7 = 25.5
17 u spending = 25.51 u spending = 25.5 ÷ 17 = 1.5100 u spending = 100 x 1.5 = 150 Amount that Elijah had
= 170 + 150
= $320
Answer(s): $320
