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This video covers how to calculate percents of change by demonstrating how to calculate a price change. Just divide the price decrease by the origi...

Larry, el cangrejo, necesita un nuevo controlador para su Lbox y le gustaría saber que tan barato lo pudiera comprar ahora, a diferencia de hace a...

CAHSEE Math: Algebra I Drill 6, Problem 3. If x ounces of a 10% salt solution are added with 20 ounces of a 50% salt solution to create a comb...

Number Sense: Drill Set 2, Problem 5. By what percent did his percentage grade increase from one test to the other?

GED Math 2.5 Rational Numbers. How much time does it take Lucius to get to work?

GED Math 4.5 Rational Numbers. How much did Dez deposit into her savings account?

This video covers how to use cross products to solve for a missing number in a proportion by setting that proportion with a variable over the produ...

ACT Math: Pre-Algebra Drill 1.2. What proportion of Jenna's day is spent Wii-swimming?

ACT Math: Pre-Algebra Drill 5, Problem 5. How many red cards must be added so that the proportion of red cards is one half?

GED Math 2.4 Rational Numbers. Lucius's favorite restaurant is how many km from his home?

GED Math 2.5 Rational Numbers. How much time does it take Lucius to get to work?

GED Math 4.5 Rational Numbers. How much did Dez deposit into her savings account?

Approximately 874 people per day wonder what a unit rate is. If you're one of them, check out our video on unit rates and how to use them. (We just...

Algebra and Functions: Drill Set 6, Problem 3. How many fritters are made during the typical breakfast hours between 6:00AM and 11:30AM at thi...

Algebra and Functions: Drill Set 6, Problem 4. How many miles can Karen run in 12.5 minutes?