Zane spent $840 and saved the rest of his money. If he increased his spending by 25%, his savings would decrease by 15%. How much money did Zane have?
|
Spent (%) |
Saved (u) |
Before |
100% $840 |
100u |
Change |
+ 25% |
- 15u |
After |
125% |
85u |
Increase in spending = Decrease in savings
25% spending =
15u savings 100% spending = 840
1% spending = 840 ÷ 100 = 8.4
25% spending = 25 x 8.4 = 210
15 u savings = 2101 u savings = 210 ÷ 15 = 14100 u savings = 100 x 14 = 1400 Amount that Zane had
= 840 + 1400
= $2240
Answer(s): $2240