Justin spent $430 and saved the rest of his money. If he decreased his spending by 15%, his savings would increase by 25%. How much money did Justin have?
| |
Spent (%) |
Saved (u) |
| Before |
100%
$430 |
100u |
| Change |
- 15% |
+ 25u |
| After |
85% |
125u |
Increase in spending = Decrease in savings
15% spending =
25u savings 100% spending = 430
1% spending = 430 ÷ 100 = 4.3
15% spending = 15 x 4.3 = 64.5
25u savings = 64.51u savings = 64.5 ÷ 25 = 2.58100u savings = 100 x 2.58 = 258 Amount that Justin had
= 430 + 258
= $688
Answer(s): $688
