Jade's salary is 40% less than Gillian's salary. When their salaries are increased by 20%, their combined salaries will be $3936. How much was Gillian's salary before the increase?
| |
Jade |
Gillian |
Total |
| Before |
3 u |
5 u |
8 u |
| Change |
+ ? |
+ ? |
+ 1.6 u |
| After |
? |
? |
9.6 u
$$(n11040 |
100% - 40% = 60%
JadeGillian =
60100 =
35 Combined salaries at first
= 3 u + 5 u
= 8 u
Increase in the combined salaries
= 20% x 8 u
=
20100 x 8 u
= 1.6 u
Combined salaries in the end
= 8 u + 1.6 u
= 9.6 u
9.6 u = 3936
1 u = 3936 ÷ 9.6 = 410
Gillian's salary before the increase
= 5 u
= 5 x 410
= $2050
Answer: $2050
