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17 October, 14:40

Dwayne wants to attend more group exercise classes at his gym. This week, he plans to attend 4 cardio classes and 5 weightlifting classes, which will last a total of 377 minutes. Next week, he hopes to attend 4 cardio classes and 3 weightlifting classes, which will last a total of 303 minutes. Given that all cardio classes and all weightlifting classes are the same length, how long is each class?

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  1. 17 October, 14:56
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    Answer: 37 minutes long

    Step-by-step explanation:

    let y = the amount of weightlifting classes

    5 - 3 = 2

    2 weightlifting classes = 377 - 303

    2y = 74

    y = 37

    each weightlifting class is 37

    so each class is 37 minutes long
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