6th grade Math

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What is the average (mean) distance you walked?
Mon-1 2/3 mi.
Tues- 2 3/4 mi
Wed - 3 1/3 mi.
Thurs. - 1 2/3 mi.
Fri - 2 3/4 mi.

You plan to walk on Saturday. How far must you walk on this day so that your 6 day average is 2 1/2 miles?

  • 6th grade Math -

    average = sum/5

    average = (previous sum + x)/6
    2.5 = (previous sum + x)/6
    15 = previous sum + x
    x = 15 - previous sum

  • 6th grade Math -

    sum = 1 8/12 + 2 9/12 + 3 4/12 + 1 8/12 + 2 9/12
    sum = 9 + 38/12 = 9 + 3 2/12 = 12 1/6
    av = (12 1/6) / 5
    av = 2 2/30 = 2 13/30

    part 2
    x = 15 - 12 1/6
    x = 14 6/6 - 12 1/6
    x = 2 5/6

  • pelmka cfyl -

    xdspc kteh akceyhrv kjfezl tbapnc fbrdvs rjxzgpbsc

  • 6th grade Math -

    If your doing that then find if its a decimal if so you only put 2 or 3 threes

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