Question

A recipe for cookies calls for 3.75 cups of flour. If Irina only wants to make half a batch of cookies, how much flour should she use? Express your answer as a fraction

Answer 1

First, we need to find a way to split 3.75 in half as a decimal.

Answer 2

An easier way to do this without converting to a decimal is to take the decimal 3.75, and convert to a fraction, this translates into 3 and 3/4. The improper fraction form is 15/4.
If you want to take half of that, you can multiply the denominatior by 2, or multiply the whole fraction by 1/2. And you will get your answer

Answer 3

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