SOLUTION: If the ratio of boys to girls in a class of 20 students is 3 to 2. How many students are girls

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Question 264445: If the ratio of boys to girls in a class of 20 students is 3 to 2. How many students are girls
Answer by vksarvepalli(154) About Me  (Show Source):
You can put this solution on YOUR website!
let the no.f boys be 'b' and no. of girls be 'g'
given b+g=20
and b/g = 3/2
so b=3g/2=1.5g
now from the first equation 1.5g+g=20
so 2.5g=20
so g=8
so no of girl students = 8