SOLUTION: a. With gas selling for $4.90 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

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Question 215174: a. With gas selling for $4.90 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?
b. Why is this a different constant in different areas of our country and across the world?

Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website!
a. With gas selling for $4.90 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?
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4.9 = kG
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Constant of variation : k = 4.9/G
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b. Why is this a different constant in different areas of our country and across the world?
Because the cost of a gallon of gasoline is different in every area of
our country and across the world.
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Cheers,
Stan H.