03:25
Solving Systems with Fractions in the Equations
Systems of equations that contain fractions can be difficult to work with. Clearing the fractions in such a system by multiplying each equation by the least common denominator of the fractions in the equation can be a good strategy to employ.
01:00
Review of Ratios
A ratio is a direct comparison between two numbers. A batting average, which is the ratio of a player's hits to the number of times at bat, is calculated.
02:05
Finding Rate From a Graphed Line
Plotting a second line on a graph produces a comparison of the hourly cost to park at two different parking lots.
03:12
Solving a Consecutive Number Problem
Writing an equation to solve a word problem, then solving the equation and checking the answer.
01:43
Example of Solving Systems with Fractions
Solving another system of equations using multiplication and the least common denominator to find the solution.