Will saved $320 and spent the rest of his money. If he increased his savings by 40%, his spending would decrease by 10%. How much money did Will have?
| |
Spent (%) |
Saved (u) |
| Before |
100%
$320 |
100u |
| Change |
+ 40% |
- 10u |
| After |
140% |
90u |
Increase in savings = Decrease in spending
40% savings =
10u spending 100% savings = 320
1% savings = 320 ÷ 100 = 3.2
40% savings = 40 x 3.2 = 128
10 u spending = 1281 u spending = 128 ÷ 10 = 12.8100 u spending = 100 x 12.8 = 1280 Amount that Will had
= 320 + 1280
= $1600
Answer(s): $1600
