SOLUTION: Suppose a video store charges non members $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 th

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Question 366235: Suppose a video store charges non members $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.

From Equations with variables on both sides.

Answer by dlh(17) About Me  (Show Source):
You can put this solution on YOUR website!
4x=2.50x+21
1.50x=21
x=14
14 videos