Nora's salary to Fanny's salary is 5 : 7. If Nora spends
57 of her salary, she will have $1950 less than Fanny. How much salary does Fanny have?
| |
Nora |
Fanny |
Comparing Nora
and Fanny at first |
5x7 =
35 u |
7x7 =
49 u |
Before |
7x5 =
35 u |
|
Change |
- 5x5 =
- 25 u |
|
After |
2x5 =
10 u |
49 u |
Comparing Nora
and Fanny in the end |
|
$1950 less |
Nora's salary at first is repeated. Make Nora's salary at first the same. LCM of 5 and 7 is 35.
Amount that Nora will have less than Fanny in the end
= 49 u - 10 u
= 39 u
39 u = 1950
1 u = 1950 ÷ 39 = 50
Fanny's salary
= 49 u
= 49 x 50
= $2450
Answer(s): $2450
