SOLUTION: A video store charges non-members $4 to rent each video. A store membership costs $21 and members pay only $2.50 to rent each video. For what number of videos is the cost the same?

SOLUTION: A video store charges non-members $4 to rent each video. A store membership costs $21 and members pay only $2.50 to rent each video. For what number of videos is the cost the same?

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Question 213841: A video store charges non-members $4 to rent each video. A store membership costs $21 and members pay only $2.50 to rent each video. For what number of videos is the cost the same?
Please ONLY write an equation, I would like to solve the problem on my own!
Answer by rfer(16322) (Show Source): You can put this solution on YOUR website!
x= number of videos
2.50x+21=4x

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