SOLUTION: Last year, there were 30 male members and 20 female members in a Chess Club. This year, the number of male members is decreased by x% while the number of female members is increase

Question 1088353: Last year, there were 30 male members and 20 female members in a Chess Club. This year, the number of male members is decreased by x% while the number of female members is increased by x%. If the number of male members is equal to that of female members this year, what is the value of x?
Answer by ikleyn(52898) (Show Source): You can put this solution on YOUR website!
.
Answer. x = 20%.

Check. = 30 - 6 = 24 males.

= 20 + 4 = 24 females.

Solution

Your equation is 

 = .  ====>

30 - 20 =   ====>

10 =   ====>  10 =   ====>  x = 20 %.

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