Betty's salary to Elyse's salary is 4 : 7. If Betty spends
47 of her salary, she will have $4070 less than Elyse. How much salary does Elyse have?
| |
Betty |
Elyse |
Comparing Betty
and Elyse at first |
4x7 =
28 u |
7x7 =
49 u |
Before |
7x4 =
28 u |
|
Change |
- 4x4 =
- 16 u |
|
After |
3x4 =
12 u |
49 u |
Comparing Betty
and Elyse in the end |
|
$4070 less |
Betty's salary at first is repeated. Make Betty's salary at first the same. LCM of 4 and 7 is 28.
Amount that Betty will have less than Elyse in the end
= 49 u - 12 u
= 37 u
37 u = 4070
1 u = 4070 ÷ 37 = 110
Elyse's salary
= 49 u
= 49 x 110
= $5390
Answer(s): $5390
