Carl saved $610 and spent the rest of his money. If he increased his savings by 30%, his spending would decrease by 10%. How much money did Carl have?
| |
Spent (%) |
Saved (u) |
| Before |
100%
$610 |
100u |
| Change |
+ 30% |
- 10u |
| After |
130% |
90u |
Increase in savings = Decrease in spending
30% savings =
10u spending 100% savings = 610
1% savings = 610 ÷ 100 = 6.1
30% savings = 30 x 6.1 = 183
10 u spending = 1831 u spending = 183 ÷ 10 = 18.3100 u spending = 100 x 18.3 = 1830 Amount that Carl had
= 610 + 1830
= $2440
Answer(s): $2440
