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Ben heats his home with oil. He's looking for the most cost-efficient program. He finds out that Home Heaters charges a delivery fee of $50 and then $1.07/liter.
a. What are the two variables in this situation?
b. What is the equation that represents the total cost of buying oil from Home Heaters?



Answer :

A) The two variables are C(which it the total cost) and L(the amount of liters).
B) The equation is C=1.07L+50

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