Tammy's salary is 80% more than Ivory's salary. When their salaries are increased by 60%, their combined salaries will be $5376. How much was Tammy's salary before the increase?
| |
Tammy |
Ivory |
Total |
| Before |
9 u |
5 u |
14 u |
| Change |
+ ? |
+ ? |
+ 8.4 u |
| After |
? |
? |
22.4 u
$5376 |
100% + 80% = 180%
TammyIvory =
180100 =
95 Combined salaries at first
= 9 u + 5 u
= 14 u
Increase in the combined salaries
= 60% x 14 u
=
60100 x 14 u
= 8.4 u
Combined salaries in the end
= 14 u + 8.4 u
= 22.4 u
22.4 u = 5376
1 u = 5376 ÷ 22.4 = 240
Tammy's salary before the increase
= 9 u
= 9 x 240
= $2160
Answer: $2160
