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