Zeph saved $450 and spent the rest of his money. If he increased his savings by 40%, his spending would decrease by 15%. How much money did Zeph have?
| |
Spent (%) |
Saved (u) |
| Before |
100%
$450 |
100u |
| Change |
+ 40% |
- 15u |
| After |
140% |
85u |
Increase in savings = Decrease in spending
40% savings =
15u spending 100% savings = 450
1% savings = 450 ÷ 100 = 4.5
40% savings = 40 x 4.5 = 180
15 u spending = 1801 u spending = 180 ÷ 15 = 12100 u spending = 100 x 12 = 1200 Amount that Zeph had
= 450 + 1200
= $1650
Answer(s): $1650
