OpenStax, Intermediate Algebra 2e §4.2 Solve Applications with Systems of Equations · Try It 16 · Algebra · Systems
Solve Applications with Systems of Equations · Try It 16
Translate to a system of equations and then solve:
Charlie left his mother’s house traveling at an average speed of 36 miles per hour. His sister Sally left 15 minutes later traveling the same route at an average speed of 42 miles per hour. How long before Sally catches up to Charlie?
OpenStax, Intermediate Algebra 2e · §4.2 Solve Applications with Systems of Equations · Try It 16
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