Raeann's salary to Xandra's salary is 2 : 9. If Raeann spends
47 of her salary, Xandra will have $1140 more than her. How much salary does Raeann have?
| |
Raeann |
Xandra |
Comparing Raeann
and Xandra at first |
2x7 =
14 u |
9x7 =
63 u |
Before |
7x2 =
14 u |
|
Change |
- 4x2 =
- 8 u |
|
After |
3x2 =
6 u |
63 u |
Comparing Raeann
and Xandra in the end |
|
$1140 more |
Raeann's salary at first is repeated. Make Raeann's salary at first the same. LCM of 2 and 7 is 14.
Amount that Xandra will have more than Raeann in the end
= 63 u - 6 u
= 57 u
57 u = 1140
1 u = 1140 ÷ 57 = 20
Raeann's salary
= 14 u
= 14 x 20
= $280
Answer(s): $280
