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March 6, 2015

Posted by **Amy** on Thursday, October 11, 2012 at 10:47pm.

Video rental store b charges a membership fee of $10 and $2.50 for each movie. Find the number of movies rentals for which both stores' charges are the same

- math -
**Asi**, Thursday, October 11, 2012 at 11:21pmOk how bout if you equate the number of movies each store sold as x and then multiply it by how much it costs to rent a movie at each store. Set up two equations with the member fee included into the equation,one for Store A (use y to represent the total cost)

25 + 2x = y

then do the same for the other eaution

10 + 2.5x = y

no equate them together

25 + 2x = 10 + 2.5x

now all you have to do is solve for x and that will tell you how many movies were sold.

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