October 10, 2015

Homework Help: math

Posted by sammy 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

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