Marion's salary to Gabby's salary is 4 : 9. If Marion spends
37 of her salary, Gabby will have $4700 more than her. How much salary does Marion have?
| |
Marion |
Gabby |
Comparing Marion
and Gabby at first |
4x7 =
28 u |
9x7 =
63 u |
Before |
7x4 =
28 u |
|
Change |
- 3x4 =
- 12 u |
|
After |
4x4 =
16 u |
63 u |
Comparing Marion
and Gabby in the end |
|
$4700 more |
Marion's salary at first is repeated. Make Marion's salary at first the same. LCM of 4 and 7 is 28.
Amount that Gabby will have more than Marion in the end
= 63 u - 16 u
= 47 u
47 u = 4700
1 u = 4700 ÷ 47 = 100
Marion's salary
= 28 u
= 28 x 100
= $2800
Answer(s): $2800
