Asked by Anonymous
In a class of 60 students 3/5 offer biology and half offer mathematics only how many students only offer none of the two subjects
Answers
Answered by
PsyDAG
Students don't "offer" any courses, they take them. Teachers offer courses.
60 * 3/5 = 36
60 * 1/2 = 30
That adds up to 66, which is more than the students you started with.
It should have been 1/2 of the remainder.
60 - 36 = 24 Half of 24 = 12
You need to express your questions more accurately.
60 * 3/5 = 36
60 * 1/2 = 30
That adds up to 66, which is more than the students you started with.
It should have been 1/2 of the remainder.
60 - 36 = 24 Half of 24 = 12
You need to express your questions more accurately.
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