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31 July, 02:54

Write a function rule to describe the the amount of change c (x) you get from a $20.00 bill if you buy x pounds of candy at $2.25 a pound.

c (x) = 20x + 2.25

c (x) = 20x - 2.25

c (x) = 20 - 2.25x

c (x) = 20 + 2.25x

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  1. 31 July, 03:07
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    The correct answer would be c because I buy x pounds of candy for 2.25, and I use a 20 dollar bill to pay, so 20-2.25x. Would be the change i get back.
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