Pamela's salary is 20% more than Anna's salary. When their salaries are decreased by 10%, their combined salaries will be $2772. How much was Pamela's salary before the decrease?
|
Pamela |
Anna |
Total |
Before |
6 u |
5 u |
11 u |
Change |
- ? |
- ? |
- 1.1 u |
After |
? |
? |
9.9 u $2772 |
100% + 20% = 120%
PamelaAnna =
120100 =
65 Combined salaries at first
= 6 u + 5 u
= 11 u
Decrease in the combined salaries
= 10% x 11 u
=
10100 x 11 u
= 1.1 u
Combined salaries in the end
= 11 u + 1.1 u
= 9.9 u
9.9 u = 2772
1 u = 2772 ÷ 9.9 = 280
Pamela's salary before the decrease
= 6 u
= 6 x 280
= $1680
Answer: $1680