document.write( "Question 412437: You have $160 and save $7 per week. Your friend has $210 and saves $5 per week. After how many weeks will each of you have the same amount of money? \n" ); document.write( "

Algebra.Com's Answer #289701 by josmiceli(19441) $\"\"$ $\"About$

You can put this solution on YOUR website!
Let $\"A\"$ = the amount of money that you both
\n" ); document.write( "will have in $\"w\"$ weeks
\n" ); document.write( "For me:
\n" ); document.write( " $\"A+=+160+%2B+7w\"$
\n" ); document.write( "For my friend:
\n" ); document.write( " $\"A+=+210+%2B+5w\"$
\n" ); document.write( "Set the 2 $\"A\"$ 's equal
\n" ); document.write( " $\"160+%2B+7w+=+210+%2B+5w\"$
\n" ); document.write( " $\"2w+=+50\"$
\n" ); document.write( " $\"w+=+25\"$
\n" ); document.write( "In 25 weeks you will both have the same amount
\n" ); document.write( "check answer:
\n" ); document.write( " $\"A+=+160+%2B+7%2A25\"$
\n" ); document.write( " $\"A+=+160+%2B+175\"$
\n" ); document.write( " $\"A+=+335\"$
\n" ); document.write( "and
\n" ); document.write( " $\"A+=+210+%2B+5%2A25\"$
\n" ); document.write( " $\"A+=+210+%2B+125\"$
\n" ); document.write( " $\"A+=+335\"$
\n" ); document.write( "OK \n" ); document.write( "

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