SOLUTION: Media services charges $40 for a phone and $20/month for its economy plan. The equation C= 20t + 40 describes the total cost, C, of operating a media service phone for t months. th

Question 257167: Media services charges $40 for a phone and $20/month for its economy plan. The equation C= 20t + 40 describes the total cost, C, of operating a media service phone for t months. the total cost for 10 months of service is $____.
If a customer has only $90 available, how many months of service can she receive?
Answer by nanana(3) (Show Source): You can put this solution on YOUR website!
10 mounths of scervice would cost $240 and if you had $90 you would be able to get 2 mounths of sevice including the fee
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