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A REAL ESTATE AGENT IS CONSIDERING CHANGING HER CELL PHONE PLAN

A REAL ESTATE AGENT IS CONSIDERING CHANGING HER CELL PHONE PLAN

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Author: Christine Farr
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http://theperfecthomework.com/a-real-estate-agent-is-considering-changing-her-cell-phone-plan-1/

A real estate agent is considering changing her cell phone plan. There are three plans to choose from, allof which involve a monthly service charge of $29. Plan A has a cost of $0.45 a minute for daytime callsand $0.29 a minute for evening calls. Plan B has a charge of $0.51 a minute for daytime calls and $0.17a minute for evening calls. Plan C has a flat rate of $95 with 253 minutes of calls allowed per month anda charge of $.40 per minute beyond that, day or evening.a. Determine the total charge under each plan for this case: 116 minutes of day calls and 40 minutes ofevening calls in a month. (Round your answer to the nearest whole number. Omit the "$" sign inyour response.)Cost for Plan ACost for Plan BCost for Plan C$$$c. If the agent will use the service for daytime calls, over what range of call minutes will each plan beoptimal? (Round your answer to the nearest whole number.)Plan A is optimal for zero to less than minutes. Plan C is optimal from minutes or more.d. Suppose that the agent expects both daytime and evening calls. At what point (i.e., percentage of callminutes for daytime calls) would she be indifferent between plans A and B? (Round your answer tothe nearest whole percent. Omit the "%" sign in your response.)Point


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