What point does a direct variation equation always go through?

The orgin, (0,0)

Step-by-step explanation:

If the line does not go through this point, then there is no direct variation.

on monday rodney ate 1/4th of the sandwich = 3/12

on tuesday he ate 1/3rd of the sandwich = 4/12

therefore in total he has eaten = 3/12 + 4/12 = 7/12

thus we can say that he has eaten 7/12 of the sandwich on monday and tuesday alltogether.

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i dont know the answer but here's a picture of a dog