Mark saved $600 and spent the rest of his money. If he increased his savings by 35%, his spending would decrease by 21%. How much money did Mark have?
| |
Spent (%) |
Saved (u) |
| Before |
100%
$600 |
100u |
| Change |
+ 35% |
- 21u |
| After |
135% |
79u |
Increase in savings = Decrease in spending
35% savings =
21u spending 100% savings = 600
1% savings = 600 ÷ 100 = 6
35% savings = 35 x 6 = 210
21 u spending = 2101 u spending = 210 ÷ 21 = 10100 u spending = 100 x 10 = 1000 Amount that Mark had
= 600 + 1000
= $1600
Answer(s): $1600
