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Answer 1 · 2017-10-04T04:31:29

Student ratio is #7:4 or 7C# to #4N#

If #C=28#, then #N=16#, so total students #=44#

We know the student ratio was #7:4# for those who went to college #C# and those who did not #N#.

So for every #7C# there are #4N#. And #28# went to college.

For this year: #7C=28#, so the multiplier for #C# is #28/7=4#.

Because of the ratio, that means the multiplier for #N# is also #4#.

Then #4N=4xx4=16#, so 16 students did not go to college.

Graduating class was then #28+16=44# students.