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December 2017
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QuestionWhen baking cookies, the quantity of flour needed is a constant proportion of the number of cookies being made. If 24 cookies require 2 cups of flour, how many cups of flour will 60 cookies require? F. 2 G. 2 1/4 H. 3 J. 4 1/2 K. 5 AnswerThe correct answer is K.
To solve this problem, set up a proportion showing the relationship between the quantity of flour and the number of cookies. 24 cookies is to 60 cookies as 2 cups of flour is to x cups of flour. 24/60 = 2/x Solve for x 24x = 120 x= 5
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