document.write( "Question 457562: A mother is 7 times as old as her son. In 5 years time she will be 4 times her son's age. How old is the mother now? \n" ); document.write( "
Algebra.Com's Answer #313973 by richwmiller(17219)\"\" \"About 
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m=7s
\n" ); document.write( "m+5=4(s+5)
\n" ); document.write( "7s+5=4s+20
\n" ); document.write( "3s=15
\n" ); document.write( "s=5
\n" ); document.write( "m=35\r
\n" ); document.write( "\n" ); document.write( "m=35 s=5
\n" ); document.write( "check
\n" ); document.write( "40=4*10
\n" ); document.write( "ok
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