document.write( "Question 937840: walid is four times as old as sami, five years ago,walid was 7 times old as sami. how old is walid snd how old is sami ? \n" ); document.write( "
Algebra.Com's Answer #571226 by stanbon(75887)\"\" \"About 
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walid is four times as old as sami, five years ago,walid was 7 times old as sami. how old is walid snd how old is sami ?
\n" ); document.write( "Equations:
\n" ); document.write( "w = 4s
\n" ); document.write( "w-5 = 7(s-5)
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\n" ); document.write( "Substitute for \"w\" and solve for \"s\"::
\n" ); document.write( "4s-5 = 7s-35
\n" ); document.write( "3s = 30
\n" ); document.write( "s = 10 (sami's age now)
\n" ); document.write( "w = 4s = 40 (walid's age now)
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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