Question

If 45% of the students of a class have offered maths, 85% of them bio, find the% of students who offered bio only, if each student has offered at least one of both subject

Answer 1

there are 2 cases of these one case is that all people who were offered maths also have offered biology , then no of students who offered bio only=85-45=40% . And other case is that least percentage of people were offered bio and maths both that is (85+45-100)=(30%) of people were offered bio and maths both hence percentage of people who offered bio only are (85-30=55) 55% .Hope it helps you...Mark me as Brainliest when possible.

Answer 2

Answer:

Step-by-step explanation:there are 2 cases of these one case is that all people who were offered maths also have offered biology , then no of students who offered bio only=85-45=40% . And other case is that least percentage of people were offered bio and maths both that is (85+45-100)=(30%) of people were offered bio and maths both hence percentage of people who offered bio only are (85-30=55) 55% .Hope it helps you...Mark me as Brainliest when possible.

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