Julie's salary to Tammy's salary is 4 : 7. If Julie spends
27 of her salary, Tammy will have $2610 more than her. How much salary does Julie have?
| |
Julie |
Tammy |
Comparing Julie
and Tammy at first |
4x7 =
28 u |
7x7 =
49 u |
Before |
7x4 =
28 u |
|
Change |
- 2x4 =
- 8 u |
|
After |
5x4 =
20 u |
49 u |
Comparing Julie
and Tammy in the end |
|
$2610 more |
Julie's salary at first is repeated. Make Julie's salary at first the same. LCM of 4 and 7 is 28.
Amount that Tammy will have more than Julie in the end
= 49 u - 20 u
= 29 u
29 u = 2610
1 u = 2610 ÷ 29 = 90
Julie's salary
= 28 u
= 28 x 90
= $2520
Answer(s): $2520
