Xylia's salary to Emily's salary is 3 : 8. If Xylia spends
25 of her salary, Emily will have $620 more than her. How much salary does Xylia have?
| |
Xylia |
Emily |
Comparing Xylia
and Emily at first |
3x5 =
15 u |
8x5 =
40 u |
Before |
5x3 =
15 u |
|
Change |
- 2x3 =
- 6 u |
|
After |
3x3 =
9 u |
40 u |
Comparing Xylia
and Emily in the end |
|
$620 more |
Xylia's salary at first is repeated. Make Xylia's salary at first the same. LCM of 3 and 5 is 15.
Amount that Emily will have more than Xylia in the end
= 40 u - 9 u
= 31 u
31 u = 620
1 u = 620 ÷ 31 = 20
Xylia's salary
= 15 u
= 15 x 20
= $300
Answer(s): $300
