Tiffany's salary is 50% less than Roshel's salary. When their salaries are decreased by 10%, their combined salaries will be $783. How much was Roshel's salary before the decrease?
| |
Tiffany |
Roshel |
Total |
| Before |
1 u |
2 u |
3 u |
| Change |
- ? |
- ? |
- 0.3 u |
| After |
? |
? |
2.7 u
$783 |
100% - 50% = 50%
TiffanyRoshel =
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 = 783
1 u = 783 ÷ 2.7 = 290
Roshel's salary before the decrease
= 2 u
= 2 x 290
= $580
Answer: $580
