A chef has a recipe that calls for 4 cups of flour. She wants to make three fourths of the recipe. Instead of determining directly how many cups are needed for the new recipe, she fills three fourths of a cup 4 times? Explain why this method works?

Question

Eugene Diaz

Mathematics

4 September, 06:29

A chef has a recipe that calls for 4 cups of flour. She wants to make three fourths of the recipe. Instead of determining directly how many cups are needed for the new recipe, she fills three fourths of a cup 4 times? Explain why this method works?

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Answers (1)

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Mireya Hodges · Answer 1

Answer: 3 cups are actually needed for the recipe.

Step-by-step explanation: The chef has a recipe that calls for 4 cups of flour. And she wants to make 3/4 of the recipe. Which mathematically means she multiplies all the quantities of ingredients each by 3/4; and for flour, it is (3/4) * 4 = 3 cups. And she could have just taken 3 cups.

But she goes ahead and takes 3/4 of a cup, 4 times, that is, (3/4) + (3/4) + (3/4) + (3/4) = 3 cups. Still equal to 3 cups.

This works because, simple problems like this are multiple solution problems.