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louie made $400 in the school fundraiser. he sold $125 worth of chocolate bars and he sold 50 rolls of gift wrap at a certain amount per roll. how much did each roll of gift wrap cost? (show work)

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Bigmokeyceline

What you have here is a simple algebraic equation. So, what you have to do is take out the numbers they give you and put it into an equation.

So let us refer to rolls of gift wrap as 'x'. So, you need 50x + $125 (from the chocolate) to = $400 in total sales. The equation you get is

50x + 125 = 400

The next step is to subtract 125 from both sides making it:

50x = 275

Now you divide both sides by 50 to get x as a single variable:

X = 5.50

So each roll of wrapping paper costs $5.50.


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