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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so from the first sentence we have
do you see that
like b is the number of boys and g is the number of girls
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because g gets increased by 5%, so 1+(5/100)
oh okay...then how do I work it out from there???
from the first equation you substract g from both sides, so:
and then you substitute this value of b on the second equation:
g=32/0.05, are you sure its 5%, because the value of g, doesn't make sense....
yeahh...but the answer is actually 48 boys. But i dunno hot to get it...