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4.7 Exercise 98

Avg difficulty 2.5

Translate to a system of equations and solve.

Leroy spent 20 minutes jogging and 40 minutes cycling and burned 600 calories. The next day, Leroy swapped times, doing 40 minutes of jogging and 20 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 Intermediate Algebra 2e, 4.7 Graphing Systems of Linear Inequalities, exercise 98

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