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4 July, 23:44

A recipe calls for 2 1/2 Cups of flour and four eggs. If only three eggs are used, how many cups of flour should be used? Give your answer as a mixed number in simplest form.

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  1. 5 July, 00:22
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    Step-by-step explanation: write the equation in the form of a proportion

    2 1/2 is to 4 as something is to 3

    2 1/2 / 4 = x/3

    Then, cross multiply 2 1/2 x 3 or

    5/2 x 3/1 = 15/2

    Next cross multiply 4•X = 4X

    Write as 4X = 15/2

    Divide both sides by 4.

    4X / 4 = 15/2 / 4

    x = 15/2: 4/1

    Divide by changing the sign to multiplication and inverting 4/1 to 1/4 like this:. 15/2. * 1/4 = 15/8

    Finally, 15/8 simplifies to 1 7/8 cups
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