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In a class of 200 students 120 students take Italian and 100 study Spanish. If a student must study at least one of these languages what percent of the students study Spanish but not Italian?
Wiki User
∙ 6y ago
This is best solved using a Venn diagram.
As the total number of students is 200 and if you add together the 120 studying Italian (I) and 100 studying Spanish (S) this comes to 220 students. Therefore to keep to the 200 students, 20 must be studying both ( I & S )
This means that 120-20 = 100 are studying just (I) and 100-20 = 80 are studying just (S).
Thus the % of (S) only students is (80/200)*100 = 40%
Wiki User
∙ 6y ago
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