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The discount on an item is directly proportional to the original price of an item. The discount of a $64 item is $16. Which graph represents this direct-variation relationship?<…

The discount on an item is directly proportional to the original price of an item. The discount of a $64 item is $16. Which graph represents this direct-variation relationship?<…
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The discount on an item is directly proportional to the original price of an item. The discount of a $64 item is $16. Which graph represents this direct-variation relationship?

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User Gaurav Patil
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7.9k points

2 Answers

3 votes

Answer:

i got this question on usatestprep the answer is A

Explanation:

answered
User Jescanellas
by
8.3k points
4 votes
Direct variation means y=kx so

16=64k, k=16/64=1/4

d(p)=x/4 (the discount as a function of the original price)
answered
User Kyuuhachi
by
8.0k points
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