Tiffany's salary to Kylie's salary is 4 : 7. If Tiffany spends
47 of her salary, Kylie will have $3330 more than her. How much salary does Tiffany have?
| |
Tiffany |
Kylie |
Comparing Tiffany
and Kylie at first |
4x7 =
28 u |
7x7 =
49 u |
Before |
7x4 =
28 u |
|
Change |
- 4x4 =
- 16 u |
|
After |
3x4 =
12 u |
49 u |
Comparing Tiffany
and Kylie in the end |
|
$3330 more |
Tiffany's salary at first is repeated. Make Tiffany's salary at first the same. LCM of 4 and 7 is 28.
Amount that Kylie will have more than Tiffany in the end
= 49 u - 12 u
= 37 u
37 u = 3330
1 u = 3330 ÷ 37 = 90
Tiffany's salary
= 28 u
= 28 x 90
= $2520
Answer(s): $2520
