SOLUTION: in a class 34 students , the number of girls is 3/5 of the boys. find the number of boys in the class.

Boys + girls = 34

B    + G     = 34

B    +  = 34

5B + 3B = 5*34


8B = 5*34   ====>  B =  =  = .


I have two answers for you:


    1)  The number of boys is ,    

OR

    2)  Your condition is wrong.