SOLUTION: The ration of boys to girls in history or 4 to 5 , how ,any girls are in the class of there's 12 boys ?
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Question 704406: The ration of boys to girls in history or 4 to 5 , how ,any girls are in the class of there's 12 boys ?
Answer by Stitch(470) (Show Source): You can put this solution on YOUR website!
You are given two ratios.
Cross multiply
Simplify
Divide both sides by 4
There are 15 girls in the class
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