Xylia's salary is 80% more than Tiffany's salary. When their salaries are decreased by 10%, their combined salaries will be $5544. How much was Xylia's salary before the decrease?
| |
Xylia |
Tiffany |
Total |
| Before |
9 u |
5 u |
14 u |
| Change |
- ? |
- ? |
- 1.4 u |
| After |
? |
? |
12.6 u
$5544 |
100% + 80% = 180%
XyliaTiffany =
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 = 5544
1 u = 5544 ÷ 12.6 = 440
Xylia's salary before the decrease
= 9 u
= 9 x 440
= $3960
Answer: $3960
