SOLUTION: Video Store A charges $7 to rent a video game for one week. Although only members can rent from the store, membership is free. Video Store B charges only $3 to rent a video game fo

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Question 1113012: Video Store A charges $7 to rent a video game for one week. Although only members can rent from the store, membership is free. Video Store B charges only $3 to rent a video game for one week. Only members can rent from the store and membership is $84 per year. After how many video game rentals will the total amount spent at each store be the same?
Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
Let x be thenumber of videos when the costs are equal


Member's cost
Non member's cost
7x
7x =84+3x
4x =84
x=21