Ian saved $570 and spent the rest of his money. If he decreased his savings by 10%, his spending would increase by 19%. How much money did Ian have?
| |
Spent (%) |
Saved (u) |
| Before |
100%
$570 |
100u |
| Change |
- 10% |
+ 19u |
| After |
90% |
119u |
Increase in savings = Decrease in spending
10% savings =
19u spending 100% savings = 570
1% savings = 570 ÷ 100 = 5.7
10% savings = 10 x 5.7 = 57
19u spending = 571u spending = 57 ÷ 19 = 3100u spending = 100 x 3 = 300 Amount that Ian had
= 570 + 300
= $870
Answer(s): $870
