To find out how many laps Nina can swim in one minute, we need to find the reciprocal of 2 1/3 minutes.
To find the reciprocal, we invert the fraction: 2 1/3 becomes 3/7.
So, Nina can swim 3/7 laps in one minute.
Nina can swim 4 laps in 2 1/3 minutes at this rate how many laps can she swim in one minute
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