Solve the problem.Assume that the sales of a certain appliance dealer can be approximated by a straight line. Suppose that sales were $7000 in 1982 and $69,500 in 1987. Let x = 0 represent 1982. Find the equation giving yearly sales S.
A. S = 62,500x + 69,500
B. S = 12,500x + 7000
C. S = 12,500x + 69,500
D. S = 62,500x + 7000
Answer: B
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