<PRE><B>Question 772404</B>
Answers

A) 7

B) We have 11 sums (2 to 12)  Answer: 5*11+1 = 56

C) We have  5n+1 sums  (n to 6n)  Answer: (p-1)(5n+1) +1 = 5pn+p-5n


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