9. 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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22-03-2018
Mathematics

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9. 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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he1pinghand he1pinghand · Answer 1 · 2018-03-31T00:50:09+02:00

he1pinghand he1pinghand

31-03-2018

you take 4/15 and make the denominator 315

4/15 = ?/315
15 x 21 = 315
4 x 21 = 84
4/15 = 84/315

so 84 of 315 members are male

315 - 84
= 231

231 are female

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