Question: 116Cheap Call charges $0.12 per minute for long distance calls. Slim Chance charges $0.10 per minute plus a flat feeof $6.95 per month. If your office makes 5 hours and 23 minutes worth of phone calls this month, which companywill save you more and by how much?

Question: 117Envelopes cost $40.95 per 1000 if you buy at least 1000 envelopesor $77.90 per 2000 if you buy at least 2000envelopes. Which is the better buy and by how much?

Question: 118The Bakery has 10 ¢ dozen donuts. They sold 2/3 of the donuts. How many donuts did they sell?