Final Answer:A recipe calls for 2 1/4 cups of flour. Lee has only a 3/4-cupmeasuringcup, so Lee needs 3 3/4 -cup measuringcups of flour, thus the correct answer is 3.Explanation:For finding out how many 3/4-cup measuring cups offlour Lee needs, we can divide thetotal amountof flour required (2 1/4 cups) by the capacity of her measuring cup (3/4 cup).First, we need to convert the mixed number 2 1/4 to animproper fraction.For doing this, we multiply thewhole number(2) by the denominator of the fraction (4) and add the numerator (1). So, 2 1/4 becomes (2 * 4 + 1) / 4 = 9/4 cups of flour.Now, we can divide the total amount of flour (9/4 cups) by the capacity of Lee's measuring cup (3/4 cup):(9/4) ÷ (3/4) = (9/4) * (4/3) = 9/3 = 3.Lee needs 3 of her 3/4-cup measuring cups to measure out 2 1/4 cups of flour.Since the recipe calls for 2 1/4 cups of flour and Lee has only a 3/4-cup measuring cup, so Lee needs 3 3/4 -cup measuringcups of flour , thus the correct answer is 3.Learn more abouttotal amountbrainly.com/question/31614833#SPJ11...

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