Homework Help: math

Posted by Sara! on Monday, May 24, 2010 at 6:58pm.

i dont know get this question

1. last saturday emily rented 4 movies from the video store. this saturday she rented 2 movies. let x represent the cost of renting each movie. write and simplify an expression for how much more emily spent last week renting movies?

2. if it costs $4 to rent each movie, how much more money did emily spend last week renting movies?

math - Ms. Sue, Monday, May 24, 2010 at 7:03pm
1.
4x - 2x =
2x =

2.
4(4) - 2(4) = $8

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