Anna's salary to Eva's salary is 4 : 7. If Anna spends
35 of her salary, she will have $1080 less than Eva. How much salary does Eva have?
| |
Anna |
Eva |
Comparing Anna
and Eva at first |
4x5 =
20 u |
7x5 =
35 u |
Before |
5x4 =
20 u |
|
Change |
- 3x4 =
- 12 u |
|
After |
2x4 =
8 u |
35 u |
Comparing Anna
and Eva in the end |
|
$1080 less |
Anna's salary at first is repeated. Make Anna's salary at first the same. LCM of 4 and 5 is 20.
Amount that Anna will have less than Eva in the end
= 35 u - 8 u
= 27 u
27 u = 1080
1 u = 1080 ÷ 27 = 40
Eva's salary
= 35 u
= 35 x 40
= $1400
Answer(s): $1400
