Gwen's salary to Gillian's salary is 7 : 8. If Gwen spends
56 of her salary, she will have $410 less than Gillian. How much salary does Gillian have?
| |
Gwen |
Gillian |
Comparing Gwen
and Gillian at first |
7x6 =
42 u |
8x6 =
48 u |
Before |
6x7 =
42 u |
|
Change |
- 5x7 =
- 35 u |
|
After |
1x7 =
7 u |
48 u |
Comparing Gwen
and Gillian in the end |
|
$410 less |
Gwen's salary at first is repeated. Make Gwen's salary at first the same. LCM of 7 and 6 is 42.
Amount that Gwen will have less than Gillian in the end
= 48 u - 7 u
= 41 u
41 u = 410
1 u = 410 ÷ 41 = 10
Gillian's salary
= 48 u
= 48 x 10
= $480
Answer(s): $480
