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Four fifths of the members of a club are female. Three-quarters of these females are over 20 years old. What fraction of the members of the club are females over 20 years old? Show your working please! Thanks so much!
no. of FEMALES =4/5(no. of members in club) in that no. of females over 20 years old=1/3(no. of FEMALES)=1/3(4/5(no. of members in club)) =4/15(no. of members in club) no. of females over 20 years old/no. of members in club=4/15
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