Sarah's salary to Linda's salary is 5 : 8. If Sarah spends
34 of her salary, she will have $1620 less than Linda. How much salary does Linda have?
| |
Sarah |
Linda |
Comparing Sarah
and Linda at first |
5x4 =
20 u |
8x4 =
32 u |
Before |
4x5 =
20 u |
|
Change |
- 3x5 =
- 15 u |
|
After |
1x5 =
5 u |
32 u |
Comparing Sarah
and Linda in the end |
|
$1620 less |
Sarah's salary at first is repeated. Make Sarah's salary at first the same. LCM of 5 and 4 is 20.
Amount that Sarah will have less than Linda in the end
= 32 u - 5 u
= 27 u
27 u = 1620
1 u = 1620 ÷ 27 = 60
Linda's salary
= 32 u
= 32 x 60
= $1920
Answer(s): $1920
