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Math
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Word problem
A long-distance telephone company charges a rate of 9 cents per minute or a 90-cent minimum charge per completed call, whichever is greater. Find the cost, in cents per minute, for a 1-minute call.
1 answer
The cost of a 1-minute call can be expressed as max(9, 90/1) = max(9, 90) = 90 cents per minute. Answer: \boxed{90}.
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