SOLUTION: In a class of 125 students, 1/5 th like only biology,2/5th like biology as well as maths.1/5th like physics as well as maths. and remaining like all the three subjects.total how ma

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Question 1030764: In a class of 125 students, 1/5 th like only biology,2/5th like biology as well as maths.1/5th like physics as well as maths. and remaining like all the three subjects.total how many students in the class like biology?
Answer by LinnW(1048) About Me  (Show Source):
You can put this solution on YOUR website!
First notice that we have 1/5 + 2/5 + 1/5 or 4/5 identified.
We are told that the rest, (1 -4/5)= 1/5 like all three subjects.
1/5 only biology
2/5 biology and math
1/5 biology, math,physics
So 4/5 like biology