HELP ON MATH PLEASE!!!!!!!

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John jogged downhill at 6mi/hr and then jogged back up at at 4mi/hr. If the total jogging time was 1.25 hours, how far did he jog in all?

  • HELP ON MATH PLEASE!!!!!!! -

    i would think

    first find the average of her running speed
    = 4 m/hr + 6 m/hr = 10 m/hr divided by 2 = an average of 5 m/hr

    now 5 m/hr = 1.25 hr

    1.25 hr x 5 m/hr = 6.25 miles

    Hope that helps, the questions seems a little vague so that's why finding an average of her running speed seems to be the appropriate response.

  • HELP ON MATH PLEASE!!!!!!! -

    equate the two distances. distance = speed * time

    6t = 4(1.25-t)
    6t = 5 - 4t
    10t = 5
    t = .5

    6*.5 = 3
    4*.75 = 3
    total distance = 6

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