Hazel's salary to Elyse's salary is 4 : 7. If Hazel spends
57 of her salary, she will have $1640 less than Elyse. How much salary does Elyse have?
| |
Hazel |
Elyse |
Comparing Hazel
and Elyse at first |
4x7 =
28 u |
7x7 =
49 u |
Before |
7x4 =
28 u |
|
Change |
- 5x4 =
- 20 u |
|
After |
2x4 =
8 u |
49 u |
Comparing Hazel
and Elyse in the end |
|
$1640 less |
Hazel's salary at first is repeated. Make Hazel's salary at first the same. LCM of 4 and 7 is 28.
Amount that Hazel will have less than Elyse in the end
= 49 u - 8 u
= 41 u
41 u = 1640
1 u = 1640 ÷ 41 = 40
Elyse's salary
= 49 u
= 49 x 40
= $1960
Answer(s): $1960
