document.write( "Question 1025443: the sum of two friends age of 4 year back is 48 .& the product of their age is 20 .what is their current age ?
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Algebra.Com's Answer #640737 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"%28A-4%29%2B%28B-4%29=48\"$
\n" ); document.write( " $\"A%2BB-8=48\"$
\n" ); document.write( " $\"A%2BB=56\"$
\n" ); document.write( "and
\n" ); document.write( " $\"A%2AB=20\"$
\n" ); document.write( " $\"A=20%2FB\"$
\n" ); document.write( "Substituting,
\n" ); document.write( " $\"20%2FB%2BB=56\"$
\n" ); document.write( " $\"20%2BB%5E2=56B\"$
\n" ); document.write( " $\"B%5E2-56B%2B20=0\"$
\n" ); document.write( " $\"%28B%5E2-56B%2B784%29%2B20=784\"$
\n" ); document.write( " $\"%28B%2B28%29%5E2=764\"$
\n" ); document.write( "This does not lead to an integer solution for B since 764 is not a perfect square.
\n" ); document.write( "Check the problem set up and repost.
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