Find an equation of the line representing the given data. Write the equation in slope-intercept form, unless otherwise indicated.A sales person observes that if an item is priced at $8, then 7 items are sold; while if an item is priced at $10, 5 items are sold. Let y be the number of items sold for x dollars per item.
A. y = -x - 1
B. y = x - 1
C. y = -x + 15
D. y = x + 15
Answer: C
Mathematics
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