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OpenStudy (anonymous):
19. A fan club comprising girls and boys has a total of 160 members. If 32 more girls join the club, the percentage of girls will increase by 5%. Find the number of boys in the club. Please show all workings clearly.
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OpenStudy (mertsj):
b+g=160 (g+32)/192=(g/160) +.05
OpenStudy (mertsj):
Solve the second equation and you will get g = 112 Therefore the number of boys = 160-112 or 48
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