Winnie's salary to Xylia's salary is 3 : 8. If Winnie spends
25 of her salary, Xylia will have $3720 more than her. How much salary does Winnie have?
| |
Winnie |
Xylia |
Comparing Winnie
and Xylia at first |
3x5 =
15 u |
8x5 =
40 u |
Before |
5x3 =
15 u |
|
Change |
- 2x3 =
- 6 u |
|
After |
3x3 =
9 u |
40 u |
Comparing Winnie
and Xylia in the end |
|
$3720 more |
Winnie's salary at first is repeated. Make Winnie's salary at first the same. LCM of 3 and 5 is 15.
Amount that Xylia will have more than Winnie in the end
= 40 u - 9 u
= 31 u
31 u = 3720
1 u = 3720 ÷ 31 = 120
Winnie's salary
= 15 u
= 15 x 120
= $1800
Answer(s): $1800
