of the 14 members of mathematics Club, 70% are also member of Science Club. How many members of the club are also members of Science Club?
Answer:
SOLUTION: A mathematics club consists of 40 members. 70% of the members are girls. After some members joined the club, 60% of the members are girls. If the new members consist of 6 more boys
Answer by ewatrrr(24383) (Show Source): You can put this solution on YOUR website!
40 members: 70% of the members are girls
28 Girls and 12 Boys
|60% = 60/100 = 6/10 = 3/5

 | Cross Multiplying to solve
3(46+2x) = 5(28+x)
138 + 6x = 140 + 5x
x = 2 girls added AND 8 boys added 
18  in total are boys
checking
30girls/50total = 60/100 0r 60% girls CHECKS!
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