rubyescarlettooysx6d rubyescarlettooysx6d

02-11-2017
Mathematics

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The ratio of boys to girls at the movie is 4:7. If there are 21 girls l, how many boys are at the movie?

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wetwork36 wetwork36

02-11-2017

There are 12 boys 21/7=3 so 4(3)= 12
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