QR.M.4

Analyze real-world problem situations and use variables to construct and solve equations involving one or more unknown or variable quantities to answer questions about the situations, such as creating spreadsheet formulas to calculate prices based on percentage mark-up or solving formulas for specified values. Demonstrate understanding of the meaning of a solution. Identify when there is insufficient information given to solve a problem.

Example Problems
Evaluate the expression:

when
and
Evaluate the expression:

when
and
Evaluate the expression:

when
and
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