witchhunt666
witchhunt666
03.02.2020 • 
Mathematics

Gymnast are lined up at the drinking fountain. the first four each take 10 3/10 seconds. the fifth takes 5 4/5 seconds. the sixth and seventh each take 12 2/5 seconds. mariah, who is eighth, calculates that she has waited 1 minute, 11 4/5 seconds for her turn. is she right?

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