Back to 5.6 Graphing Systems of Linear Inequalities

5.6 Exercise 124

Avg difficulty 2.5

Translate to a system of equations and solve.

Sheila and Lenore were driving to their grandmother’s house. Lenore left one hour after Sheila. Sheila drove at a rate of 45 mph, and Lenore drove at a rate of 60 mph. How long will it take for Lenore to catch up to Sheila?

OpenStax Elementary Algebra 2e, 5.6 Graphing Systems of Linear Inequalities, exercise 124

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