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Mathematics, 10.11.2020 17:40 yolo123321

The number of pounds of dog food that a pet store has is represented by the equation y = -15 x + 430, where x represents the number of days that the store is open and y represents the pounds of dog food in stock in the store. How many pounds of dog food will the pet store have after 21 days? * A. 92
B. 115
C. 315
D. 336

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