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17 January, 18:15

Frank ran 65km on Monday, 68km on Tuesday, 66km on

Wednesday, and 80km on Thursday. He ran again on Friday,

then calculated the mean distance run per day to be 70km.

How far did frank run on friday?

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Answers (1)
  1. 17 January, 22:06
    0
    71

    Step-by-step explanation:I think I solve it a weird way but here it is.

    70 times 5 = 350

    65+68+66+80 = 279

    350-279 = 71

    Check:

    65+68+66+80+71 = 350

    350/5=70 which means 71 is the correct answer
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