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2.3 Exercise 36

Avg difficulty 2.5

Use the information to find a linear algebraic equation model to use to answer the question being asked.

Beth and Ann are joking that their combined ages equal Sam’s age. If Beth is twice Ann’s age and Sam is 69 yr old, what are Beth and Ann’s ages?

OpenStax Algebra and Trigonometry 2e, 2.3 Models and Applications, exercise 36

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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.