document.write( "Question 1157081: OneFit, a new fitness center, starts with 100 members and grows by 20 members per month while the established fitness center ByGym has 400 members when OneFit opened and loses 10 members per month. In how many months will one fit have the same number of members as ByGym? \n" ); document.write( "

Algebra.Com's Answer #779891 by ikleyn(52786) $\"\"$ $\"About$

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document.write( "OneFit population = 100 + 20x\r\n" );
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document.write( "ByGym population  = 400 - 10x\r\n" );
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document.write( "100 + 20x = 400 - 10x\r\n" );
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document.write( "10x + 20x = 400 - 100\r\n" );
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document.write( "30x       = 300\r\n" );
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document.write( "  x       =  300/30    = 10.\r\n" );
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document.write( "ANSWER.  After 10 months.\r\n" );
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