SOLUTION: The ratio of incomes of two persons is 9:7. The difference in their weekly incomes is $200. What are their weekly incomes?
Algebra ->
Systems-of-equations
-> SOLUTION: The ratio of incomes of two persons is 9:7. The difference in their weekly incomes is $200. What are their weekly incomes?
Log On
Question 963872: The ratio of incomes of two persons is 9:7. The difference in their weekly incomes is $200. What are their weekly incomes? Answer by anand429(138) (Show Source):
You can put this solution on YOUR website! Let the income be 9a and 7a respectively
So, 9a-7a=200
=> a=100
So, the weekly incomes are 900 and 700.
