Roshel's salary to Shiyun's salary is 3 : 7. If Roshel spends
27 of her salary, she will have $1360 less than Shiyun. How much salary does Shiyun have?
| |
Roshel |
Shiyun |
Comparing Roshel
and Shiyun at first |
3x7 =
21 u |
7x7 =
49 u |
Before |
7x3 =
21 u |
|
Change |
- 2x3 =
- 6 u |
|
After |
5x3 =
15 u |
49 u |
Comparing Roshel
and Shiyun in the end |
|
$1360 less |
Roshel's salary at first is repeated. Make Roshel's salary at first the same. LCM of 3 and 7 is 21.
Amount that Roshel will have less than Shiyun in the end
= 49 u - 15 u
= 34 u
34 u = 1360
1 u = 1360 ÷ 34 = 40
Shiyun's salary
= 49 u
= 49 x 40
= $1960
Answer(s): $1960
