Nora's salary is 60% more than Betty's salary. When their salaries are increased by 40%, their combined salaries will be $6734. How much was Nora's salary before the increase?
| |
Nora |
Betty |
Total |
| Before |
8 u |
5 u |
13 u |
| Change |
+ ? |
+ ? |
+ 5.2 u |
| After |
? |
? |
18.2 u
$6734 |
100% + 60% = 160%
NoraBetty =
160100 =
85 Combined salaries at first
= 8 u + 5 u
= 13 u
Increase in the combined salaries
= 40% x 13 u
=
40100 x 13 u
= 5.2 u
Combined salaries in the end
= 13 u + 5.2 u
= 18.2 u
18.2 u = 6734
1 u = 6734 ÷ 18.2 = 370
Nora's salary before the increase
= 8 u
= 8 x 370
= $2960
Answer: $2960
