### Standard Alignments:

7.RP.2 Recognize and represent proportional relationships between quantities.

7.RP.2.C7.RP.2.C Represent proportional relationships by equations. For example, if total cost t is proportional to the number n of items purchased at a constant price p, the relationship between the total cost and the number of items can be expressed as t = pn.

HSA.REI.2HSA.REI.2 Solve simple rational and radical equations in one variable, and give examples showing how extraneous solutions may arise.