math
posted by jeury .
juana threw five darts at a dartboard. the possible scores on a target were 2,4,6,8 and 10. each dart hit the target. which of these total score can be identified as "not possible": 38,23,58,30,42,31,26,6,14, or 15?

If five darts hit between 2 and 10  then the minimum would be 10 and the maximum would be 50.
Which of your numbers are above 50 or below 10?
Would any of the scores add up to an odd number? 
so 6 is the only one "Not Possible".
correct? 
No. 6 is only one of the not possibles.
I see one score over 50.
What about the odd numbers? What combination of scores would add up to 23, 31, or 15? 
6, 15, 23, 31, 58..these are the "not possible" scores.
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