SOLUTION: in a class the ratio of boys to girls is 3:2. If there are 11 more boys than girls,how many pupils are in the class?
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Question 280604: in a class the ratio of boys to girls is 3:2. If there are 11 more boys than girls,how many pupils are in the class?
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
3/2=b/g
b=11+g
3/2=(11+g)/g
3g/2=11+g
3g=22+2g
g=22
b=11+22=33
boys =33 and girls =22
there are 55 in the class
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