A person at a restaurant gets a 35% discount on her total bill. If her bill was $120, how much is her discount? How much is the
1 answer:
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Answer:
First table
Step-by-step explanation:
We have to find the set of value which could be from a direct proportion.
We know that
Direct proportion :
When x is directly proportional to y
Where k=Proportionality constant
K remain constant when x and y are in direct proportion
From first table
When x and y are both varies then ratio of x and y remain constant.Hence, it is in direct proportion.
From second table
not ]define
It is not direct proportion because k does not remain constant.
From third table
It is not direct proportion because k does not remain constant.