Nora's salary to Fanny's salary is 2 : 9. If Nora spends
35 of her salary, she will have $3280 less than Fanny. How much salary does Fanny have?
| |
Nora |
Fanny |
Comparing Nora
and Fanny at first |
2x5 =
10 u |
9x5 =
45 u |
Before |
5x2 =
10 u |
|
Change |
- 3x2 =
- 6 u |
|
After |
2x2 =
4 u |
45 u |
Comparing Nora
and Fanny in the end |
|
$3280 less |
Nora's salary at first is repeated. Make Nora's salary at first the same. LCM of 2 and 5 is 10.
Amount that Nora will have less than Fanny in the end
= 45 u - 4 u
= 41 u
41 u = 3280
1 u = 3280 ÷ 41 = 80
Fanny's salary
= 45 u
= 45 x 80
= $3600
Answer(s): $3600
