SOLUTION: with gas selling for $1.90 per gallon, the cost of filling your tank varies directly with the amount of gas that you pump. Find the equation representing the cost C related to the

Algebra ->  Linear-equations -> SOLUTION: with gas selling for $1.90 per gallon, the cost of filling your tank varies directly with the amount of gas that you pump. Find the equation representing the cost C related to the      Log On


   

Question 256226: with gas selling for $1.90 per gallon, the cost of filling your tank varies directly with the amount of gas that you pump. Find the equation representing the cost C related to the gallons of gas G that one would need. what is the constant of variation here? why is this a different constant in different areas of our country and across the world?
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
C =G*p
C=1.90G
1.90 is the constant
Economists would say supply and demand control the constant. But in the end it is the oil producing countries and companies and greedy oil companies that control supply.
They decide how much oil to pump from the ground and how much to refine and how much to deliver.