Which should be calculated first to solve this story problem?

hallie was making some bread for the bake sale. for each batch of bread she needed 2.5 cups wheat flour, 2.25 cups white flour, 0.25 cups sugar, and 2 tablespoons of yeast. she decided to make 2 batches of bread. how many cups of flour did hallie use altogether?

a.
the total number of cups of sugar in 2 batches of bread

b.
the total number of cups of flour in 1 batch of bread

c.
the total number of tablespoons of yeast needed

first option

a function is a relation in which an input is paired with exactly one output.

so, let's find the right answer.

in our first option, our inputs are january, february, and march. the outputs are 30, 28, and 25. each input has it's own output. this is correct!

our second option we know is incorrect, because ms. valverade has two outputs, dogs and cats. this is not a function.

our third option is incorrect as well. the yellow square has two ouputs, the square and the triangle.

lastly, in our fourth option, we see the number 7 two times with a different output. therefore, this is not a function.

remember: each input must be paired with only one output!

step-by-step explanation:

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