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27 January, 06:43

Two numbers in a ratio 5:4. Their sun is 720. find the bigger number. show your reasoning

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  1. 27 January, 07:01
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    5x + 4x = 720

    9x = 720 (divide by 9)

    X = 80

    In order to get the bigger ratio, which is 5, you would substitute x for 80. (I'm bad at explaining)

    Work:

    5 (80) = 400
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