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2.3 Exercise 40

Avg difficulty 2.5

Use this scenario: Two different telephone carriers offer the following plans that a person is considering. Company A has a monthly fee of $20 and charges of $.05/min for calls. Company B has a monthly fee of $5 and charges $.10/min for calls.

Find out how many minutes of calling would make the two plans equal.

OpenStax Algebra and Trigonometry 2e, 2.3 Models and Applications, exercise 40

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Adapted from College Algebra © 2021 Rice University. Licensed under CC BY 4.0. Sources: College Algebra 2e, Algebra and Trigonometry 2e, Precalculus 2e, College Algebra with Corequisite Support 2e. Imported at revision 4922e46.