Kylie's salary to Gwen's salary is 3 : 8. If Kylie spends
34 of her salary, she will have $580 less than Gwen. How much salary does Gwen have?
| |
Kylie |
Gwen |
Comparing Kylie
and Gwen at first |
3x4 =
12 u |
8x4 =
32 u |
Before |
4x3 =
12 u |
|
Change |
- 3x3 =
- 9 u |
|
After |
1x3 =
3 u |
32 u |
Comparing Kylie
and Gwen in the end |
|
$580 less |
Kylie's salary at first is repeated. Make Kylie's salary at first the same. LCM of 3 and 4 is 12.
Amount that Kylie will have less than Gwen in the end
= 32 u - 3 u
= 29 u
29 u = 580
1 u = 580 ÷ 29 = 20
Gwen's salary
= 32 u
= 32 x 20
= $640
Answer(s): $640
