document.write( "Question 1162568: A drilling company offer two plans. The \"pay-as-you-go\" plan costs $500 plus $8 a foot for a well of any depth. Their \"guaranteed-water\" plan costs a flat fee of $40000 for a well that is guaranteed to provide adequate water for a household.For what depths would it cost a customer less to use the pay-as-you-go plan? \n" ); document.write( "

Algebra.Com's Answer #786396 by ikleyn(52788) $\"\"$ $\"About$

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document.write( "500 + 8*d = 40000   dollars.\r\n" );
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document.write( "d =  = 4937.5 feet.      ANSWER\r\n" );
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