SOLUTION: Suppose a video store charges nonmembers $4 to rent each video. A store membership cost $21 and members pay only $2.50 to rent each video. For what number of videos is the cost the

Algebra ->  Linear-equations -> SOLUTION: Suppose a video store charges nonmembers $4 to rent each video. A store membership cost $21 and members pay only $2.50 to rent each video. For what number of videos is the cost the      Log On


   

Question 1077197: Suppose a video store charges nonmembers $4 to rent each video. A store membership cost $21 and members pay only $2.50 to rent each video. For what number of videos is the cost the same?
Answer by addingup(3677) About Me  (Show Source):
You can put this solution on YOUR website!
4x = 21+2.50x
1.50x = 21
x = 14
The cost is the same for 14 rentals