Penelope's salary is 70% more than Nora's salary. When their salaries are increased by 30%, their combined salaries will be $7722. How much was Penelope's salary before the increase?
| |
Penelope |
Nora |
Total |
| Before |
17 u |
10 u |
27 u |
| Change |
+ ? |
+ ? |
+ 8.1 u |
| After |
? |
? |
35.1 u
$7722 |
100% + 70% = 170%
PenelopeNora =
170100 =
1710 Combined salaries at first
= 17 u + 10 u
= 27 u
Increase in the combined salaries
= 30% x 27 u
=
30100 x 27 u
= 8.1 u
Combined salaries in the end
= 27 u + 8.1 u
= 35.1 u
35.1 u = 7722
1 u = 7722 ÷ 35.1 = 220
Penelope's salary before the increase
= 17 u
= 17 x 220
= $3740
Answer: $3740
