Cindy's savings is 10% more than Sean's savings. If Cindy's savings is decreased by 10%, their total savings will be $597. How much is Cindy's savings?
| |
Cindy |
Sean |
| Before |
11 u |
10 u |
| Change |
- 1.1 u |
|
| After |
9.9 u |
10 u |
Sean's savings in percentage = 100%
Cindy's savings in percentage
= 100% + 10%
= 110%
110% =
110100 =
1110Cindy's saving after a decrease by 10% in percent
= 100% - 10%
= 90%
Cindy's saving after a decrease by 10% in units
= 90% x 11 u
=
90100 x 11 u
= 9.9 u
Total savings if there is a decrease in salary for Cindy
= 9.9 u + 10 u
= 19.9 u
19.9 u = 597
1 u = 597 ÷ 19.9 = 30
Cindy's savings
= 11 u
= 11 x 30
= $330
Answer(s): $330
