KhanAcademy

Solving Word Problems With Linear Systems

Using a system of equations to find the price of apples and oranges -- 5 min 6 sec

Systems of equations to realize you are getting ripped off -- 4 min 15 sec

Thinking about multiple solutions to a system of equations -- 2 min 12 sec

Motion Problems

Systems and rate problems -- 5 min 59 sec

Systems and rate problems 2 -- 10 min 4 sec

Systems and rate problems 3 -- 4 min 56 sec

Two passing bicycles word problem -- 5 min 39 sec

Passed bike word problem -- 5 min 54 sec

System of equations for passing trains problem -- 9 min 7 sec

Overtaking word problem -- 9 min 52 sec