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MathematicsMathematics
12 March, 13:35

Kyle is training for a marathon. The equation y = 3x + 5.5 represents the number of miles Kyle can run over time, where y is the number of miles Kyle runs and x is the number of weeks Kyle has been training.

• How long will it take Kyle to be ready to run the entire marathon of 26.5 miles?

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  1. 12 March, 13:58
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    Substitute the length of marathon into y.

    26.5 = 3x + 5.5

    Solve for x (because that's the amount of weeks needed to be ready and prepared)

    3x = 26.5 - 5.5

    3x = 21

    x = 7

    7 weeks of training is needed
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Home » Mathematics » Kyle is training for a marathon. The equation y = 3x + 5.5 represents the number of miles Kyle can run over time, where y is the number of miles Kyle runs and x is the number of weeks Kyle has been training.
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