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
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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