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SamanthaGee

  • 3 years ago

A fan club that comprises of boys and girls have 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.

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  1. myininaya
    • 3 years ago
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    so from the first sentence we have b+g=160 do you see that like b is the number of boys and g is the number of girls

  2. estebananaya
    • 3 years ago
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    and then: b+1.05g=160+32

  3. SamanthaGee
    • 3 years ago
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    I don't get it??? Why 1.05g?

  4. estebananaya
    • 3 years ago
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    because g gets increased by 5%, so 1+(5/100)

  5. SamanthaGee
    • 3 years ago
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    oh okay...then how do I work it out from there???

  6. estebananaya
    • 3 years ago
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    from the first equation you substract g from both sides, so: b= 160-g and then you substitute this value of b on the second equation: 160-g+1.05g=160+32 0.05g=32 g=32/0.05, are you sure its 5%, because the value of g, doesn't make sense....

  7. SamanthaGee
    • 3 years ago
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    yeahh...but the answer is actually 48 boys. But i dunno hot to get it...

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