Emily's salary to Betty's salary is 2 : 9. If Emily spends
27 of her salary, Betty will have $6360 more than her. How much salary does Emily have?
| |
Emily |
Betty |
Comparing Emily
and Betty at first |
2x7 =
14 u |
9x7 =
63 u |
Before |
7x2 =
14 u |
|
Change |
- 2x2 =
- 4 u |
|
After |
5x2 =
10 u |
63 u |
Comparing Emily
and Betty in the end |
|
$6360 more |
Emily's salary at first is repeated. Make Emily's salary at first the same. LCM of 2 and 7 is 14.
Amount that Betty will have more than Emily in the end
= 63 u - 10 u
= 53 u
53 u = 6360
1 u = 6360 ÷ 53 = 120
Emily's salary
= 14 u
= 14 x 120
= $1680
Answer(s): $1680
