Ken spent $840 and saved the rest of his money. If he decreased his spending by 40%, his savings would increase by 28%. How much money did Ken have?
| |
Spent (%) |
Saved (u) |
| Before |
100%
$840 |
100u |
| Change |
- 40% |
+ 28u |
| After |
60% |
128u |
Increase in spending = Decrease in savings
40% spending =
28u savings 100% spending = 840
1% spending = 840 ÷ 100 = 8.4
40% spending = 40 x 8.4 = 336
28u savings = 3361u savings = 336 ÷ 28 = 12100u savings = 100 x 12 = 1200 Amount that Ken had
= 840 + 1200
= $2040
Answer(s): $2040
