For this question, I see there is a solved answer. But I am wondering why the algebraic formula is -2X+y=0?
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Crombie supermarket sells its own private label of canned peas as well as other national brands. The store makes a profit of $0.28 per can for its private label peas and a profit of $0.19 for any of other brands. The store has 6 square feet of shelf space
Kroeger supermarket sells its own brand of canned peas as well as several national brands. The store makes a profit of $0.28 per can for its own peas and a profit of $0.19 for any of the national brands. The store has 6 square feet of shelf space available for canned peas, and each can of peas takes up 9 square inches of that space. Point-of-sale records show that each week the store never sales more than half as many...