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You are remodeling your kitchen. you’ve contacted two tiling companies who gladly told you how long it took their workers to tile of a similar size jim completed half the floor in 8 hours. pete completed half of the other floor in 7 hours. if pete can lay 20 more tiles per hour than jim, at what rate can jim lay tiles

Credit card a offers an introductory apr of 3.4% for the first three months and standard apr of 15.7% thereafter,

Y+ 2/y is it a polynomial in one variable or not? and if so, why?