SOLUTION: Customers of a phone company can choose between two service plans for long distance calls. The first plan has a $10 monthly fee and charges an additional $0.16 for each minute of c

Question 1141263: Customers of a phone company can choose between two service plans for long distance calls. The first plan has a $10 monthly fee and charges an additional $0.16 for each minute of calls. The second plan has a $27 monthly fee and charges an additional $0.12
for each minute of calls. For how many minutes of calls will the costs of the two plans be equal?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = the monthly cost of a plan
Let = the number of monthly minutes of calls
---------------------------------------------------------
(1)
(2)
-----------------------------
Make the costs of the plans equal

For 425 min of calls the two plans will be equal
---------------------
Check:
(1)
(1)
(1)
and
(2)
(2)
(2)
OK

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