02:58duration 2 minutes 58 seconds
Solving a word problem involving a sum and…
Solving a word problem involving a sum and another basic relationship using a system of lineaer equations
This demo discusses how to set up two equations…
05:13duration 5 minutes 13 seconds
Solving a value mixture problem using a system of…
Solving a value mixture problem using a system of linear equations
Demonstrates how to read and understand the…