Mathematics, 10.03.2021 19:20 cheylee123456

Please this is urgent. Just solve for (I) and (II). I'll produce the venn diagram In a certain school, students must take either Economics or Biology (or both). 80% of the students take Economics and 35% take Biology.
(I) Illustrate this information on a venn diagram and hence find the percentage of the students taking both subjects.
(II) If 90 students take both subjects, how many students are in this school?

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