A phone company offers two monthly plans. Plan A costs $15 plus an additional $0.08 for each minute of calls. Plan an costs an additional $0.10 for each minute of calls. For what amount of calling do the two plans cost the same? What is the cost when the two plans cost the same?

answer:

Hi,

Let x represent number of calling minutes

17 + .11x = 22 + .07x

      .04x = 5

         x = 5/.04  = 125 minutes, is the number of minutes the two plans cost the same

 17 + .11*125 = $30.75 is the cost when the two plans cost the same

Step-by-step explanation:

e) none of the above because the measure of angle cba is 101°

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step-by-step explanation:

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