Opal's salary to Marion's salary is 5 : 9. If Opal spends
34 of her salary, she will have $3410 less than Marion. How much salary does Marion have?
| |
Opal |
Marion |
Comparing Opal
and Marion at first |
5x4 =
20 u |
9x4 =
36 u |
Before |
4x5 =
20 u |
|
Change |
- 3x5 =
- 15 u |
|
After |
1x5 =
5 u |
36 u |
Comparing Opal
and Marion in the end |
|
$3410 less |
Opal's salary at first is repeated. Make Opal's salary at first the same. LCM of 5 and 4 is 20.
Amount that Opal will have less than Marion in the end
= 36 u - 5 u
= 31 u
31 u = 3410
1 u = 3410 ÷ 31 = 110
Marion's salary
= 36 u
= 36 x 110
= $3960
Answer(s): $3960
