document.write( "Question 162110: The cost functions is given by C=30x +10,000 and the revenue is given by R=46x. Find the number of units that must be sold to break even.\r \n" );
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document.write( "The breakeven point happens when your cost is the same as your revenue (sales). \n" );
document.write( "C(x)=R(x) \n" );
document.write( "30x+10000=46x \n" );
document.write( "30x-30x+10000=46x-30x \n" );
document.write( "0+10000=16x \n" );
document.write( "10000/16=16x/16 \n" );
document.write( "625=x\r \n" );
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document.write( "They must sell 625 units to breakeven\r \n" );
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document.write( "Check: \n" );
document.write( "C(625)=30(625)+10,000=28,750 \n" );
document.write( "R(625)=46(625)=28,750 \n" );
document.write( "yes we are right! \n" );
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