3+6+7+89+4+5+7+9+90+67 = 287
1798
The sum is: 61+67+71+73+79+83+89 = 523
Sum = 678 Count = 8 So Average = Sum/Count = 678/8 = 84.75
59 + 61 + 67 + 71 + 73 + 79 + 83 + 89 = 582
90
the sum of 80 + 20 + 90 + 10 = 200
Complementary means sum of 90. 90-67=23
90
90
Well, darling, if my math skills haven't failed me, the sum of those numbers is 753. So, go ahead and pat yourself on the back for asking me such a riveting question.
The sum is 73+79+83+89 = 324
-89