Roshel's salary to Esther's salary is 5 : 8. If Roshel spends
27 of her salary, she will have $930 less than Esther. How much salary does Esther have?
| |
Roshel |
Esther |
Comparing Roshel
and Esther at first |
5x7 =
35 u |
8x7 =
56 u |
Before |
7x5 =
35 u |
|
Change |
- 2x5 =
- 10 u |
|
After |
5x5 =
25 u |
56 u |
Comparing Roshel
and Esther in the end |
|
$930 less |
Roshel's salary at first is repeated. Make Roshel's salary at first the same. LCM of 5 and 7 is 35.
Amount that Roshel will have less than Esther in the end
= 56 u - 25 u
= 31 u
31 u = 930
1 u = 930 ÷ 31 = 30
Esther's salary
= 56 u
= 56 x 30
= $1680
Answer(s): $1680
