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Math

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Jan and Nika ride their bikes. Jan rides 5 miles per hour for 1 hour then rides at ten miles per hour for 30 minutes.Nika rides at a constant 8 miles per hour. the tripss cover the ssme distance. Forr hoew many minutes does Nika ride ?

  • Math - ,

    5 mph for 1 hour = 5 mi
    10 mph for 1/2 hour = 5 mi

    8/1 = 10/x

    8x = 10
    x = 10/8 = 1 1/4 hours

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