IWILLTAKEYOUSKYWAY IWILLTAKEYOUSKYWAY

05-10-2016
Mathematics

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The ratio of boys to girls in history class is 4 to 5. How many girls are in the class if there are 12 boys in the class. Show your work and Explain

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luna42602 luna42602

05-10-2016

I believe its 15 girls.
If its 5 girls to every 4 boys and there is 12 boys then 12 is just 4 three times so you would do 5 three times making it 15.
4boys = 5girls
+4boys= 5girls
+4boys = 5girls
=12boys = 15girls

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