Linda's salary to Marion's salary is 3 : 7. If Linda spends
27 of her salary, Marion will have $2380 more than her. How much salary does Linda have?
| |
Linda |
Marion |
Comparing Linda
and Marion at first |
3x7 =
21 u |
7x7 =
49 u |
Before |
7x3 =
21 u |
|
Change |
- 2x3 =
- 6 u |
|
After |
5x3 =
15 u |
49 u |
Comparing Linda
and Marion in the end |
|
$2380 more |
Linda's salary at first is repeated. Make Linda's salary at first the same. LCM of 3 and 7 is 21.
Amount that Marion will have more than Linda in the end
= 49 u - 15 u
= 34 u
34 u = 2380
1 u = 2380 ÷ 34 = 70
Linda's salary
= 21 u
= 21 x 70
= $1470
Answer(s): $1470
