A furniture store is having a sale on sofas and you're going to buy one. The advertisers know that buyers get to the store and that 1 out of 3 buyers change to a more expensive sofa than the one in the sale advertisement. Let X be the cost of the sofa. What is the average cost of a sofa if the advertised sofa is $150 and the more expensive sofa is $450?

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A: Consider the given table as follows.

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Q: If x = 3 and y = -2 then x - 5 y =

A: Given: x = 3 y = -2

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Q: If x =-1 and y =-3, what is the value of -a-3y

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Q: Brianne spent the summer touring Canadian cities. She spent 4 nights in a hotel in Montreal at $158…

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