If each term in the sum A1+A2+...+ An is either 7 or 77 and the sum equals 350, which of the following could be equal to n?
I too get multiple values.. Source of the Q please?
"To dream anything that you want to dream, that is the beauty of the human mind. To do anything that you want to do, that is the strength of the human will. To trust yourself, to test your limits, that is the courage to succeed."
- Bernard Edmonds