Eva's salary to Jen's salary is 2 : 7. If Eva spends
37 of her salary, Jen will have $410 more than her. How much salary does Eva have?
| |
Eva |
Jen |
Comparing Eva
and Jen at first |
2x7 =
14 u |
7x7 =
49 u |
Before |
7x2 =
14 u |
|
Change |
- 3x2 =
- 6 u |
|
After |
4x2 =
8 u |
49 u |
Comparing Eva
and Jen in the end |
|
$410 more |
Eva's salary at first is repeated. Make Eva's salary at first the same. LCM of 2 and 7 is 14.
Amount that Jen will have more than Eva in the end
= 49 u - 8 u
= 41 u
41 u = 410
1 u = 410 ÷ 41 = 10
Eva's salary
= 14 u
= 14 x 10
= $140
Answer(s): $140
