Kylie's salary is 50% less than Raeann's salary. When their salaries are decreased by 10%, their combined salaries will be $648. How much was Raeann's salary before the decrease?
| |
Kylie |
Raeann |
Total |
| Before |
1 u |
2 u |
3 u |
| Change |
- ? |
- ? |
- 0.3 u |
| After |
? |
? |
2.7 u
$648 |
100% - 50% = 50%
KylieRaeann =
50100 =
12 Combined salaries at first
= 1 u + 2 u
= 3 u
Decrease in the combined salaries
= 10% x 3 u
=
10100 x 3 u
= 0.3 u
Combined salaries in the end
= 3 u + 0.3 u
= 2.7 u
2.7 u = 648
1 u = 648 ÷ 2.7 = 240
Raeann's salary before the decrease
= 2 u
= 2 x 240
= $480
Answer: $480
