document.write( "Question 813315: The ratio of boys to girls in Ms. Alper’s math classes is 5 ∶ 7. If there are 60 students in all
\n" ); document.write( "of her classes, how many are boys?
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Algebra.Com's Answer #489577 by ewatrrr(24785)\"\" \"About 
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\n" ); document.write( "Hi,
\n" ); document.write( "ratio of boys to girls is 5:7
\n" ); document.write( "60 students, how many boys x
\n" ); document.write( "\"%285%2F7%29+=+x%2F%2860-x%29\" | Cross Multiplying to solve
\n" ); document.write( " 7x = 5(60-x)
\n" ); document.write( " 12x = 300
\n" ); document.write( " x = 25 boys in the class
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\n" ); document.write( " \"5%2F7+=+25%2F35\" \n" ); document.write( "
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