Back to 5.4 Solve Applications with Systems of Equations

5.4 Exercise 54

Avg difficulty 2.5

Translate to a system of equations and solve.

Shelly spent 10 minutes jogging and 20 minutes cycling and burned 300 calories. The next day, Shelly swapped times, doing 20 minutes of jogging and 10 minutes of cycling and burned the same number of calories. How many calories were burned for each minute of jogging and how many for each minute of cycling?

OpenStax Elementary Algebra 2e, 5.4 Solve Applications with Systems of Equations, exercise 54

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Adapted from Elementary Algebra 2e © 2020 Rice University. Licensed under CC BY 4.0. Source: Elementary Algebra 2e. Imported at revision 77a933c.