SOLUTION: what is the equation if first 3 km is 6 dollars per km and the distance more than 3 is 4 dollars per km?

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Question 628093: what is the equation if first 3 km is 6 dollars per km and the distance more than 3 is 4 dollars per km?
Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
let the total distance traveled be x
The Cost (C) = 6 + 4(x-3)