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31 October, 08:16

using your knowledge of cross products how would you solve for x in the following pair of equivalent fractions 7 over x equals 2/4

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  1. 31 October, 09:17
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    Use cross multiplication so you have

    7/x = 2/4

    multiple 7 and 4 to get 28 and multiply x and 2 to get 2x and set them equal to each other

    so your new equation is 2x=28 and then you just need to solve for x

    The answer is x=14
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