Cole saved $420 and spent the rest of his money. If he increased his savings by 25%, his spending would decrease by 21%. How much money did Cole have?
| |
Spent (%) |
Saved (u) |
| Before |
100%
$420 |
100u |
| Change |
+ 25% |
- 21u |
| After |
125% |
79u |
Increase in savings = Decrease in spending
25% savings =
21u spending 100% savings = 420
1% savings = 420 ÷ 100 = 4.2
25% savings = 25 x 4.2 = 105
21 u spending = 1051 u spending = 105 ÷ 21 = 5100 u spending = 100 x 5 = 500 Amount that Cole had
= 420 + 500
= $920
Answer(s): $920
