Vaidev saved $580 and spent the rest of his money. If he decreased his savings by 40%, his spending would increase by 10%. How much money did Vaidev have?
| |
Spent (%) |
Saved (u) |
| Before |
100%
$580 |
100u |
| Change |
- 40% |
+ 10u |
| After |
60% |
110u |
Increase in savings = Decrease in spending
40% savings =
10u spending 100% savings = 580
1% savings = 580 ÷ 100 = 5.8
40% savings = 40 x 5.8 = 232
10u spending = 2321u spending = 232 ÷ 10 = 23.2100u spending = 100 x 23.2 = 2320 Amount that Vaidev had
= 580 + 2320
= $2900
Answer(s): $2900
