Shiyun's salary to Fanny's salary is 4 : 9. If Shiyun spends
25 of her salary, Fanny will have $3630 more than her. How much salary does Shiyun have?
| |
Shiyun |
Fanny |
Comparing Shiyun
and Fanny at first |
4x5 =
20 u |
9x5 =
45 u |
Before |
5x4 =
20 u |
|
Change |
- 2x4 =
- 8 u |
|
After |
3x4 =
12 u |
45 u |
Comparing Shiyun
and Fanny in the end |
|
$3630 more |
Shiyun's salary at first is repeated. Make Shiyun's salary at first the same. LCM of 4 and 5 is 20.
Amount that Fanny will have more than Shiyun in the end
= 45 u - 12 u
= 33 u
33 u = 3630
1 u = 3630 ÷ 33 = 110
Shiyun's salary
= 20 u
= 20 x 110
= $2200
Answer(s): $2200
