document.write( "Question 944659: the ratio of boys to girls in the class is 1:3. If there are 28 students in the class, how many girls are there? \n" ); document.write( "

Algebra.Com's Answer #576151 by Fombitz(32388) $\"\"$ $\"About$

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$\"B%2FG=1%2F3\"$
\n" ); document.write( " $\"3B=G\"$
\n" ); document.write( "and
\n" ); document.write( " $\"B%2BG=28\"$
\n" ); document.write( "Substituting,
\n" ); document.write( " $\"B%2B3B=28\"$
\n" ); document.write( " $\"4B=28\"$
\n" ); document.write( " $\"B=7\"$
\n" ); document.write( "and
\n" ); document.write( " $\"G=3%287%29\"$
\n" ); document.write( " $\"G=21\"$
\n" ); document.write( " \n" ); document.write( "

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