$4/15$ of the 315 members of a book club are male. How many female members are there in the club?

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Answer 1 · 2018-07-26T08:01:55

$231$ members are females

If $4/15$ are the male members of a book club, then $1-4/15=11/15$ are the female members of a book club

Since we know there are $315$ members, we can go
$11/15times315=231$

4/154/15 of the 315 members of a book club are male. How many female members are there in the club?