SOLUTION: Form a sequence that has two arithmetic means between -1 and 59

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Question 1034701: Form a sequence that has two arithmetic means between -1 and 59
Answer by fractalier(6550) About Me  (Show Source):
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Since the difference between them is 59-(-1) = 60, two arithmetic means tells you there will be three intervals of 20 between them...
Thus the means will be 19 and 39 and the sequence is
-1, 19, 39, 59