Gillian's salary to Gwen's salary is 3 : 7. If Gillian spends
35 of her salary, Gwen will have $1450 more than her. How much salary does Gillian have?
| |
Gillian |
Gwen |
Comparing Gillian
and Gwen at first |
3x5 =
15 u |
7x5 =
35 u |
Before |
5x3 =
15 u |
|
Change |
- 3x3 =
- 9 u |
|
After |
2x3 =
6 u |
35 u |
Comparing Gillian
and Gwen in the end |
|
$1450 more |
Gillian's salary at first is repeated. Make Gillian's salary at first the same. LCM of 3 and 5 is 15.
Amount that Gwen will have more than Gillian in the end
= 35 u - 6 u
= 29 u
29 u = 1450
1 u = 1450 ÷ 29 = 50
Gillian's salary
= 15 u
= 15 x 50
= $750
Answer(s): $750
