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the ratio of girls to boys at a school dance was 5:2 if there were 70 girls at the dance, How many boys were at he dance? "use proportion and either and equivalent fraction to solve
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May 7, 2016
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the ratio of girls to boys at a school dance was 5:2 if there were 70 girls at the dance, How many boys were at he dance? "use proportion and either and equivalent fraction to solve
Mathematics
middle-school
Lakshitha
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The answer is 67 because
5-2=3
70:67
67+3=70
MartinGrotzke
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May 10, 2016
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this is saying that 5/2=70/x in order to solve you make the equation x=70/(5/2) which would be 140/5 or 28 boys
Michael Lukin
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May 11, 2016
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