How many times does four go into 27

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The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?

Which fraction is equal to 1hole and 2/5? a.3/5 b.75 c.57 d.73