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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…

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…
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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



w

User Harshal Pathak
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8.6k points

1 Answer

4 votes
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.
User Fritza
by
8.0k points
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