document.write( "Question 1148006: Bikes’R’Us manufactures bikes, which sell for $250. It costs the $180 per bike, plus a startup fee of $3,500. After how many bikes sold will the manufacturer break even? \n" ); document.write( "
Algebra.Com's Answer #769361 by josmiceli(19441)\"\" \"About 
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Let \"+n+\" = number of bikes sold
\n" ); document.write( "At break even, [ total income = total cost ]
\n" ); document.write( "\"+250n+=+180n+%2B+3500+\"
\n" ); document.write( "\"+70n+=+3500+\"
\n" ); document.write( "\"+n+=+50+\"
\n" ); document.write( "After selling 50 bikes, they break even
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