Jen's salary to Kathy's salary is 2 : 9. If Jen spends
25 of her salary, Kathy will have $4680 more than her. How much salary does Jen have?
| |
Jen |
Kathy |
Comparing Jen
and Kathy at first |
2x5 =
10 u |
9x5 =
45 u |
Before |
5x2 =
10 u |
|
Change |
- 2x2 =
- 4 u |
|
After |
3x2 =
6 u |
45 u |
Comparing Jen
and Kathy in the end |
|
$4680 more |
Jen's salary at first is repeated. Make Jen's salary at first the same. LCM of 2 and 5 is 10.
Amount that Kathy will have more than Jen in the end
= 45 u - 6 u
= 39 u
39 u = 4680
1 u = 4680 ÷ 39 = 120
Jen's salary
= 10 u
= 10 x 120
= $1200
Answer(s): $1200
