Your local cell phone company offers you a choice of billing plans:

                    Plan A: Pay 5 cents per call.

            Plan B: Pay an initial $2.00 a week, which allows you up to 30 calls per week at no charge. Any additional call over 30 costs 5 cents per call.

            Plan C: Pay an initial $4.00 a week, which allows you up to 80 calls per week at no charge. Any additional call over 80 costs 4 cents per call.

If your budget for keeping in touch is $12 per week, graph your budget constraints under the three plans. (Make sure you label the budget constraint for each plan properly) 

Rank the three plans in order of preferences.

Answer rating: 100% (QA)

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