EVOXDRIFTER214 EVOXDRIFTER214 30-12-2022 Mathematics Answered f each term in the sum a1+a2+a3+...+ana1+a2+a3+...+an is either 7 or 77 and the sum equals 350, which of the following could be equal to n? A. 38 B. 39 C. 40 D. 41 E. 42