SOLUTION: An Internet provider charges $30 per month for 1000 minutes of DSL service plus $0.08 for each additional minute. In a one-year period the customer's bill ranged from $36.40 to $47

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Question 716406: An Internet provider charges $30 per month for 1000 minutes of DSL service plus $0.08 for each additional minute. In a one-year period the customer's bill ranged from $36.40 to $47.20. What were the most and least minutes used?
Answer by solver91311(24713) About Me  (Show Source):
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Divide $17.20 by $0.08. Add the result to 1000. Then divide $6.40 by $0.08 and add the result to 1000.

John

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