Tiffany's salary is 40% less than Usha's salary. When their salaries are increased by 10%, their combined salaries will be $2816. How much was Usha's salary before the increase?
| |
Tiffany |
Usha |
Total |
| Before |
3 u |
5 u |
8 u |
| Change |
+ ? |
+ ? |
+ 0.8 u |
| After |
? |
? |
8.8 u
$$(n11040 |
100% - 40% = 60%
TiffanyUsha =
60100 =
35 Combined salaries at first
= 3 u + 5 u
= 8 u
Increase in the combined salaries
= 10% x 8 u
=
10100 x 8 u
= 0.8 u
Combined salaries in the end
= 8 u + 0.8 u
= 8.8 u
8.8 u = 2816
1 u = 2816 ÷ 8.8 = 320
Usha's salary before the increase
= 5 u
= 5 x 320
= $1600
Answer: $1600
