Khan Academy
Khan Academy: Algebra: Officer on Horseback
This video demonstrates how to set up and solve a system of equations in order to answer a question posed in a word problem. The solution utilizes the equation d=rt. [8:54]
Khan Academy
Khan Academy: Algebra: Two Passing Bicycles Word Problem
This video demonstrates how to apply systems of equations to a word problem about two people passing each other on bicycles. The problem also involves constant speeds and distances. [5:39]
Khan Academy
Khan Academy: Algebra: Passed Bike Word Problem
This video demonstrates how to set up and solve a system of equations in order to answer a word problem based on rates and elapsed time. [5:54]
Khan Academy
Khan Academy: Algebra: Passing Trains
This video demonstrates how to solve a systems of equations word problem related to the rates of passing trains. The problem involves finding a rate in meters/second and setting up and solving a system of equations. [9:07]
Khan Academy
Khan Academy: Algebra: Problem Solving Word Problems 2
A video that demonstrates how to set up and solve systems of equations in order to answer word problems. [12:20]