Marion's salary to Victoria's salary is 4 : 9. If Marion spends
57 of her salary, she will have $1100 less than Victoria. How much salary does Victoria have?
| |
Marion |
Victoria |
Comparing Marion
and Victoria at first |
4x7 =
28 u |
9x7 =
63 u |
Before |
7x4 =
28 u |
|
Change |
- 5x4 =
- 20 u |
|
After |
2x4 =
8 u |
63 u |
Comparing Marion
and Victoria in the end |
|
$1100 less |
Marion's salary at first is repeated. Make Marion's salary at first the same. LCM of 4 and 7 is 28.
Amount that Marion will have less than Victoria in the end
= 63 u - 8 u
= 55 u
55 u = 1100
1 u = 1100 ÷ 55 = 20
Victoria's salary
= 63 u
= 63 x 20
= $1260
Answer(s): $1260
