Unformatted text preview: extra points. You earned a total of 48 and 12 points, respectively, on the two question, an the total time you spent on each was the same. If you could take the exam again, how – if at all – should you reallocate your time between the questions? 9. For each long-distance call anywhere in the continental United States, a new phone service will charge users 30 cents per minute for the first 2 minutes and 2 cents per minute for additional minutes in each call. Tom’s current phone service charges 10 cents per minute for all calls, and his calls are never shorter than 7 minutes. If Tom’s dorm switches to the new phone service, what will happen to the average length of his calls?...
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- Spring '08
- Electric charge, Tom, new phone service