13. the outboard engine on steve's boat uses a fuel-to-oil mixture in a 50: 1 ratio. if steve puts 2.5 gallons of fuel in the tank, how many fluid ounces of oil does he need to add?

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step-by-step explanation:

the x's and the y's both go up the same amount each time, therefore it will be a linear function because it will go in a straight line when drawn on a graph.

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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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what is the rest of the question? ?