document.write( "Question 305800: There are 45 students in a math 101 class. The instructor notices that there are half as many women as there are men. How many of each gender are in the class? \n" ); document.write( "

Algebra.Com's Answer #218940 by josmiceli(19441) $\"\"$ $\"About$

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$\"m+%2B+w+=+45\"$
\n" ); document.write( " $\"w+=+%281%2F2%29%2Am\"$
\n" ); document.write( " $\"m+=+2w\"$
\n" ); document.write( "By substitution:
\n" ); document.write( " $\"2w+%2B+w+=+45\"$
\n" ); document.write( " $\"3w+=+45\"$
\n" ); document.write( " $\"w+=+15\"$
\n" ); document.write( "and
\n" ); document.write( " $\"m+=+2w\"$
\n" ); document.write( " $\"m+=+30\"$
\n" ); document.write( "there are 30 men and 15 women \n" ); document.write( "

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