Marion's salary to Julie's salary is 5 : 8. If Marion spends
47 of her salary, Julie will have $820 more than her. How much salary does Marion have?
| |
Marion |
Julie |
Comparing Marion
and Julie at first |
5x7 =
35 u |
8x7 =
56 u |
Before |
7x5 =
35 u |
|
Change |
- 4x5 =
- 20 u |
|
After |
3x5 =
15 u |
56 u |
Comparing Marion
and Julie in the end |
|
$820 more |
Marion's salary at first is repeated. Make Marion's salary at first the same. LCM of 5 and 7 is 35.
Amount that Julie will have more than Marion in the end
= 56 u - 15 u
= 41 u
41 u = 820
1 u = 820 ÷ 41 = 20
Marion's salary
= 35 u
= 35 x 20
= $700
Answer(s): $700
