document.write( "Question 245479: A girl is now one-fourth as old as her father, and in seven years, she will be one-half as old as her father was twelve years ago. What are her and her father's present ages? \n" ); document.write( "
Algebra.Com's Answer #179298 by richwmiller(17219)\"\" \"About 
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girl=g
\n" ); document.write( "father=f
\n" ); document.write( "g=f/4
\n" ); document.write( "g+7=(f-12)/2
\n" ); document.write( "f/4+7=(f-12)/2
\n" ); document.write( "multiply both sides by 4
\n" ); document.write( "f+28=2f-24
\n" ); document.write( "subtract f from both sides
\n" ); document.write( "28=f-24
\n" ); document.write( "52=f
\n" ); document.write( "13=g
\n" ); document.write( "check
\n" ); document.write( "13=52/4
\n" ); document.write( "13=13\r
\n" ); document.write( "\n" ); document.write( "13+7=(52-12)/2
\n" ); document.write( "20=40/2
\n" ); document.write( "20=20\r
\n" ); document.write( "\n" ); document.write( "
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