Gwen's salary to Dana's salary is 5 : 8. If Gwen spends
47 of her salary, she will have $410 less than Dana. How much salary does Dana have?
| |
Gwen |
Dana |
Comparing Gwen
and Dana at first |
5x7 =
35 u |
8x7 =
56 u |
Before |
7x5 =
35 u |
|
Change |
- 4x5 =
- 20 u |
|
After |
3x5 =
15 u |
56 u |
Comparing Gwen
and Dana in the end |
|
$410 less |
Gwen's salary at first is repeated. Make Gwen's salary at first the same. LCM of 5 and 7 is 35.
Amount that Gwen will have less than Dana in the end
= 56 u - 15 u
= 41 u
41 u = 410
1 u = 410 ÷ 41 = 10
Dana's salary
= 56 u
= 56 x 10
= $560
Answer(s): $560
