SOLUTION: what is the missing number? 7.3 8.1 8.5 8.9

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Question 1171893: what is the missing number? 7.3 8.1 8.5 8.9
Answer by math_helper(2461) About Me  (Show Source):
You can put this solution on YOUR website!
7.7


{ 7.3, red%287.7%29, 8.1, 8.5, 8.9 }