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Back to 11.1 Systems of Linear Equations: Two Variables

11.1 Exercise 96

Avg difficulty 2.5

Use a system of linear equations with two variables and two equations to solve.

An investor invested 1.1 million dollars into two land investments. On the first investment, Swan Peak, her return was a 110% increase on the money she invested. On the second investment, Riverside Community, she earned 50% over what she invested. If she earned $1 million in profits, how much did she invest in each of the land deals?

OpenStax Algebra and Trigonometry 2e, 11.1 Systems of Linear Equations: Two Variables, exercise 96

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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.