document.write( "Question 1068930: a sunday school class has 21 students. As the teacher took roll, he noticed that the boys out numbered the girls by a four to three ratio. How many boys were present? \n" ); document.write( "
Algebra.Com's Answer #684160 by josgarithmetic(39620)\"\" \"About 
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\"system%28b%2Bg=21%2Cb%2Fg=4%2F3%29\"\r
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\n" ); document.write( "\n" ); document.write( "Find g.\r
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\n" ); document.write( "\n" ); document.write( "\"b=4g%2F3\"
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\n" ); document.write( "\"4g%2F3%2Bg=21\"\r
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\n" ); document.write( "\n" ); document.write( "\"4g%2B3g=3%2A21\"\r
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\n" ); document.write( "\n" ); document.write( "\"7g=3%2A21\"\r
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\n" ); document.write( "\n" ); document.write( "\"highlight%28g=9%29\"
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