PROFIT At a convenience store, the numbers ofgallons of 87-octane, 89-octane, and

Chapter 7, Problem 74

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PROFIT At a convenience store, the numbers ofgallons of 87-octane, 89-octane, and 93-octane gasolinesold over the weekend are represented byOctane87 89 93The selling prices (in dollars per gallon) and the profits(in dollars per gallon) for the three grades of gasolinesold by the convenience store are represented bySelling Profitprice(a) Compute and interpret the result.(b) Find the convenience stores profit from gasolinesales for the weekend.

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