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) About Me  (Show Source):
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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

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