document.write( "Question 1100427: A girl is 6 years younger than her brother. The product of their ages is 135. Find their ages \n" ); document.write( "

Algebra.Com's Answer #714915 by Fombitz(32388) $\"\"$ $\"About$

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$\"G=B-6\"$
\n" ); document.write( " $\"G%2AB=135\"$
\n" ); document.write( "Substituting,
\n" ); document.write( " $\"%28B-6%29B=135\"$
\n" ); document.write( " $\"B%5E2-6B=135\"$
\n" ); document.write( " $\"B%5E2-6B%2B9=135%2B9\"$
\n" ); document.write( " $\"%28B-3%29%5E2=144\"$
\n" ); document.write( " $\"B-3=0+%2B-+12\"$
\n" ); document.write( "Only positive solutions make sense here.
\n" ); document.write( " $\"B=3%2B12\"$
\n" ); document.write( " $\"B=15\"$
\n" ); document.write( "Use either of the equations to solve for G.
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