Liam spent $840 and saved the rest of his money. If he decreased his spending by 30%, his savings would increase by 12%. How much money did Liam have?
| |
Spent (%) |
Saved (u) |
| Before |
100%
$840 |
100u |
| Change |
- 30% |
+ 12u |
| After |
70% |
112u |
Increase in spending = Decrease in savings
30% spending =
12u savings 100% spending = 840
1% spending = 840 ÷ 100 = 8.4
30% spending = 30 x 8.4 = 252
12u savings = 2521u savings = 252 ÷ 12 = 21100u savings = 100 x 21 = 2100 Amount that Liam had
= 840 + 2100
= $2940
Answer(s): $2940
