OpenStax, Elementary Algebra 2e §5.4 Solve Applications with Systems of Equations · Exercise 21 · Algebra · Systems
Solve Applications with Systems of Equations · Exercise 21
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 21
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