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Posted by on Thursday, April 18, 2013 at 10:20pm.

Any of the ten digits 0 through 9 may be used in a 6-digit code, but no digit may be used more than once. If the first two digits are 1 and 7, what is the largest possible average of all 6 digits?

a)4 b)6 c)6.5 d) 7

  • math - , Thursday, April 18, 2013 at 10:25pm

    b)6

    for largest possible average u add on highest numbers u can: next highest numbers would be 9, 8, 6, and 5
    1+7+9+8+6+5=36
    36/6=6

  • math - , Thursday, April 18, 2013 at 10:27pm

    The number is something like this.

    1 7 9 8 6 5

    Add them together and divide by 6 to find the average.

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