document.write( "Question 883457: The number of aluminum cans used each year varies directly as the number of people using the cans. If 250 people use 60000 cans in one year, how many cans are used each year in a city which has a population of 120000? \n" ); document.write( "

Algebra.Com's Answer #533548 by josmiceli(19441) $\"\"$ $\"About$

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$\"+60000+=+k%2A250+\"$
\n" ); document.write( " $\"+k+=+60000+%2F+250+\"$
\n" ); document.write( " $\"+k+=+240+\"$
\n" ); document.write( "--------------
\n" ); document.write( "Let $\"+x+\"$ = number of cans used by the city
\n" ); document.write( " $\"+x+=+k%2A120000+\"$
\n" ); document.write( " $\"+x+=+240%2A120000+\"$
\n" ); document.write( " $\"+x+=+28800000+\"$
\n" ); document.write( "28,800,000 cans
\n" ); document.write( " \n" ); document.write( "

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