Question 987515
Plan A
C = 2v + 70 {charges $70 per year plus $2 per visit}


Plan B 
C = 6v + 10 {charges $10 per year plus $6 per visit}


2v + 70 = 6v + 10 {set them equal to determine how many visits are necessary for A to be the same as B}
70 = 4v + 10 {subtracted 2v from each side}
60 = 4v {subtracted 10 from each side}
v = 15  {divided each side by 4}


15 visits are necessary for Plan A to be the same as Plan B
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