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Anna has purchased 3 pounds of rice from the market for $21. What is the function that defines the cost of rice as a function of weight in pounds?

Anna has purchased 3 pounds of rice from the market for $21. What is the function that defines the cost of rice as a function of weight in pounds?
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Anna has purchased 3 pounds of rice from the market for $21. What is the function that defines the cost of rice as a function of weight in pounds?

User Sukhrob
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1 Answer

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First find the cost per pound by dividing $21 by 3 pounds. 21/3=7

C(x) = 7x where x is the number of pounds
User Tklg
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