Question #cf374

1 Answer
MeneerNask
Jul 5, 2017

#5#

Explanation:

Minimumoverlap is when all of the students who scored less than 100% on the first day, scored 100% on the second day.

Non-100% first day: 30-17=13

If these all scored 100% on the second day then 18-13=5 must have scored 100% on both days.

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