Gwen's salary to Tiffany's salary is 5 : 9. If Gwen spends
27 of her salary, Tiffany will have $1520 more than her. How much salary does Gwen have?
| |
Gwen |
Tiffany |
Comparing Gwen
and Tiffany at first |
5x7 =
35 u |
9x7 =
63 u |
Before |
7x5 =
35 u |
|
Change |
- 2x5 =
- 10 u |
|
After |
5x5 =
25 u |
63 u |
Comparing Gwen
and Tiffany in the end |
|
$1520 more |
Gwen's salary at first is repeated. Make Gwen's salary at first the same. LCM of 5 and 7 is 35.
Amount that Tiffany will have more than Gwen in the end
= 63 u - 25 u
= 38 u
38 u = 1520
1 u = 1520 ÷ 38 = 40
Gwen's salary
= 35 u
= 35 x 40
= $1400
Answer(s): $1400
