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Session 3 Question & Answer Key Resources Grade 7 Mathematics - Skill Builder + New York State Test (NYST) Rehearsal

Grade 7 Mathematics - Skill Builder + New York State Test (NYST) Rehearsal Session 3

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A sports equipment manufacturing company currently sells a certain tennis racket for $20.00. It costs them $11.50 to produce it.

Write a formula that represents the profit P the company makes on this racket based upon the number n of rackets they sell.

Adapt the formula to show how the profit changes based upon a production cost increase of a dollars. Explain how your formula correctly reflects the cost change.