Rachel's salary to Min's salary is 5 : 9. If Rachel spends
34 of her salary, Min will have $1240 more than her. How much salary does Rachel have?
| |
Rachel |
Min |
Comparing Rachel
and Min at first |
5x4 =
20 u |
9x4 =
36 u |
Before |
4x5 =
20 u |
|
Change |
- 3x5 =
- 15 u |
|
After |
1x5 =
5 u |
36 u |
Comparing Rachel
and Min in the end |
|
$1240 more |
Rachel's salary at first is repeated. Make Rachel's salary at first the same. LCM of 5 and 4 is 20.
Amount that Min will have more than Rachel in the end
= 36 u - 5 u
= 31 u
31 u = 1240
1 u = 1240 ÷ 31 = 40
Rachel's salary
= 20 u
= 20 x 40
= $800
Answer(s): $800
