Answer:
your question doesn't make sense if an electrician came to your house it would cost $40 then $55 dollars per hour but there is no way that you can solve that (40+(55•2)=150+55=205 which is already over $190 dollars
The coverage for medical expenses of occupants of the car is provdied by "Medical Expense" or "Medical Payments" coverage.
I don't seem to comprehend what you are asking?
Y/x = 9/12 = 3/4
so
y = (3/4)x . . . . . . both x and y in dollars.