Min's salary to Joelle's salary is 2 : 7. If Min spends
27 of her salary, she will have $2730 less than Joelle. How much salary does Joelle have?
| |
Min |
Joelle |
Comparing Min
and Joelle at first |
2x7 =
14 u |
7x7 =
49 u |
Before |
7x2 =
14 u |
|
Change |
- 2x2 =
- 4 u |
|
After |
5x2 =
10 u |
49 u |
Comparing Min
and Joelle in the end |
|
$2730 less |
Min's salary at first is repeated. Make Min's salary at first the same. LCM of 2 and 7 is 14.
Amount that Min will have less than Joelle in the end
= 49 u - 10 u
= 39 u
39 u = 2730
1 u = 2730 ÷ 39 = 70
Joelle's salary
= 49 u
= 49 x 70
= $3430
Answer(s): $3430
