SOLUTION: In a class of 28 children the ratio of number of boys to the number of girls is 3:4. Find how many boys and how many girls there are in the class. After one girl leaves, what is th
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Question 777894: In a class of 28 children the ratio of number of boys to the number of girls is 3:4. Find how many boys and how many girls there are in the class. After one girl leaves, what is the new ratio boys:girls, in its lowest terms.
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
If the ratio of boys to girls is 3:4, then there are 
boys and 
girls. Then, since the total is 28,
Solve for 
, then calculate and .
Calculate 
, form the fraction 
, and reduce. Express the ratio as Numerator:Denominator
John
Egw to Beta kai to Sigma
My calculator said it, I believe it, that settles it
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