Asked by Anonymous

In the class of 20 pupils there are 12 pupils who study English but not history,4 pupils who study history but not English and 1 who studies neither not history.How many pupils in the class study history to solve this equation

Answers

Answered by oobleck
solve what equation?
and "neither not history" is just gibberish.
Did you draw a Venn diagram?
since 20-1 = 19 students study something,
19 - (12+4) = 3 study both subjects.
So 4+3 = 7 study History
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