Instructional Video
Khan Academy

Khan Academy: Algebra: Systems and Rate Problems 2

9th - 10th
This video demonstrates how to set up and solve a system of equations in order to solve a word problem concerning rates. [10:04]
Instructional Video
Khan Academy

Khan Academy: Algebra: Systems and Rate Problems 3

9th - 10th Standards
This video demonstrates how to set up and solve a system of equations in order to solve a word problem concerning rates. [4:56]
Instructional Video
Khan Academy

Khan Academy: Algebra: Passed Bike Word Problem

9th - 10th
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]
Instructional Video
Khan Academy

Khan Academy: Algebra: Passing Trains

9th - 10th
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]
Instructional Video
Khan Academy

Khan Academy: Systems of Equations Word Problems: Systems and Rate Problems 2

9th - 10th
This video demonstrates how to set up and solve a system of equations in order to solve a word problem concerning rates.
Instructional Video
Khan Academy

Khan Academy: Systems of Equations Word Problems: Systems and Rate Problems 3

9th - 10th
This video demonstrates how to set up and solve a system of equations in order to solve a word problem concerning rates.
Instructional Video
Khan Academy

Khan Academy: Systems of Equations Word Problems: Passed Bike Word Problem

9th - 10th
A demonstration of an algebra word problem involving a train passing a bike.