SOLUTION: in a class of 40 students, the number of girl student is 3/5 of the number of boy students. find the number of girls in the class

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Question 673601: in a class of 40 students, the number of girl student is 3/5 of the number of boy students. find the number of girls in the class
Answer by sachi(548) About Me  (Show Source):
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let the boys are x
so the girls are 3x/5
so x+3x/5=40
or 5x+3x=40*5=200
or 8x=200
or x=200/8=25
so the no of boys = 25 & no of girls=40-25=15
ans