SOLUTION: 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

Algebra ->  Inequalities -> SOLUTION: 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       Log On


   



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?
Answer by ikleyn(52778) About Me  (Show Source):
You can put this solution on YOUR website!
.

500 + 8*d = 40000   dollars.


d = %2840000+-+500%29%2F8 = 4937.5 feet.      ANSWER

Solved.