Pamela's salary is 80% more than Joelle's salary. When their salaries are decreased by 10%, their combined salaries will be $5166. How much was Pamela's salary before the decrease?
| |
Pamela |
Joelle |
Total |
| Before |
9 u |
5 u |
14 u |
| Change |
- ? |
- ? |
- 1.4 u |
| After |
? |
? |
12.6 u
$5166 |
100% + 80% = 180%
PamelaJoelle =
180100 =
95 Combined salaries at first
= 9 u + 5 u
= 14 u
Decrease in the combined salaries
= 10% x 14 u
=
10100 x 14 u
= 1.4 u
Combined salaries in the end
= 14 u + 1.4 u
= 12.6 u
12.6 u = 5166
1 u = 5166 ÷ 12.6 = 410
Pamela's salary before the decrease
= 9 u
= 9 x 410
= $3690
Answer: $3690
