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 67 and 23 is 90. To find the difference of 100 and this sum, you subtract 90 from 100. Therefore, the difference is 10.
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