Posted by TANAKA WISDOM on Monday, March 25, 2013 at 3:20am.
in a class of 60 students,the number of students who pass biology is 6 more than the number who pass chemistry.every student passed at least one of the two subject.how many pass in only biology.how many pass in only chemistry.

MATHS  Steve, Monday, March 25, 2013 at 10:35am
Hard to say. All we know is that if c students pass chemistry only, and x pass both,
c + (c+6) + x = 60
2c = 54x
c = 27x
and x>0, so
c<27
So, we could have
26 pass chemistry only,
32 pass biology only,
2 pass both
all the way down to
0 pass chemistry only,
6 pass biology only,
54 pass both
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