Tommy spent $190 and saved the rest of his money. If he increased his spending by 10%, his savings would decrease by 19%. How much money did Tommy have?
| |
Spent (%) |
Saved (u) |
| Before |
100%
$190 |
100u |
| Change |
+ 10% |
- 19u |
| After |
110% |
81u |
Increase in spending = Decrease in savings
10% spending =
19u savings 100% spending = 190
1% spending = 190 ÷ 100 = 1.9
10% spending = 10 x 1.9 = 19
19 u savings = 191 u savings = 19 ÷ 19 = 1100 u savings = 100 x 1 = 100 Amount that Tommy had
= 190 + 100
= $290
Answer(s): $290
