Posted by sammy on Thursday, April 18, 2013 at 10:20pm.
Any of the ten digits 0 through 9 may be used in a 6digit 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  DW, 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  Ms. Sue, 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.