Tiffany's salary to Xylia's salary is 4 : 7. If Tiffany spends
56 of her salary, Xylia will have $1520 more than her. How much salary does Tiffany have?
| |
Tiffany |
Xylia |
Comparing Tiffany
and Xylia at first |
4x3 =
12 u |
7x3 =
21 u |
Before |
6x2 =
12 u |
|
Change |
- 5x2 =
- 10 u |
|
After |
1x2 =
2 u |
21 u |
Comparing Tiffany
and Xylia in the end |
|
$1520 more |
Tiffany's salary at first is repeated. Make Tiffany's salary at first the same. LCM of 4 and 6 is 12.
Amount that Xylia will have more than Tiffany in the end
= 21 u - 2 u
= 19 u
19 u = 1520
1 u = 1520 ÷ 19 = 80
Tiffany's salary
= 12 u
= 12 x 80
= $960
Answer(s): $960
