A recipe says to use 3 cups of flour to make 48 cookies.

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Question: A recipe says to use 3 cups of flour to make 48 cookies. What is the constant of proportionality that relates the number of cookies made, y, to the number of cups of flour used, x?

Answer: y denotes the number of cookies made

x denotes the cups of flour needs

3x = 48y

x = 16 y

constant k is 16

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