Of The 14 Members Of Mathematics Club, 70% Are Also Member Of Sc…

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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