Practical Algebraic Problem: Finding Total Earnings
An example of how to use a simple algebraic equation to determine total earnings from a part time job.
Subject: problem
Transcript: . NO PROBLEM, CHANGE THE HOURLY RATE TO 20. IN FACT, WE CAN MAKE THIS FORMULA APPLY TO ANYONE AT ALL.
Fractions, Decimals, and Percents
Both business people and consumers must learn to work with fractions, decimals and percents in addition, subtraction, multiplication and division.
Subject: problem
Transcript: WITH THE FLOOD OF NUMERICAL INFORMATION THAT THEIR PARENTS FACE DAILY. AND THEY HAVEN'T HAD TO SOLVE MANY OF THE MATHEMATICAL PROBLEMS WHICH ARE SO
Equations and Formulas
standard formulas to solve word problems.
Subject: problem
Transcript: 'S A DIFFERENCE BETWEEN R AND L AND T. WE ALREADY KNOW WHAT THE VALUES OF R AND L ARE FOR OUR PARTICULAR PROBLEM. R, THE RATE, IS $200 A FINISHED MINUTE
Breaking Through
recognize and overcome the problem?
Subject: problem
Determining the Value of a Variable
Sometimes a variable can appear more than once in a single algebraic equation. These different variables are represented by different symbols.
Subject: problem
Transcript: NARRATOR: NOTICE THAT WHEN THE SAME LETTER TURNS UP MORE THAN ONCE IN THE SAME PROBLEM, IT STANDS FOR THE SAME NUMBER EVERYWHERE IT APPEARS. SO
Word Problems Simplified by Using Algebra
How to translate word problems into algebraic equations.
Subject: problem
Transcript: THE SAME AS WHAT? AS IF I MULTIPLIED IT BY 5 AND SUBTRACTED 3. IN SHORT, 5N MINUS 3. SO THE WHOLE PROBLEM BOILS DOWN TO THE EQUATION 2N PLUS 6 EQUALS 5N