Fanny's salary is 60% less than Sarah's salary. When their salaries are decreased by 10%, their combined salaries will be $1575. How much was Sarah's salary before the decrease?
| |
Fanny |
Sarah |
Total |
| Before |
2 u |
5 u |
7 u |
| Change |
- ? |
- ? |
- 0.7 u |
| After |
? |
? |
6.3 u
$1575 |
100% - 60% = 40%
FannySarah =
40100 =
25 Combined salaries at first
= 2 u + 5 u
= 7 u
Decrease in the combined salaries
= 10% x 7 u
=
10100 x 7 u
= 0.7 u
Combined salaries in the end
= 7 u + 0.7 u
= 6.3 u
6.3 u = 1575
1 u = 1575 ÷ 6.3 = 250
Sarah's salary before the decrease
= 5 u
= 5 x 250
= $1250
Answer: $1250
