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Ratios, Percentages, and Proportions Videos
SAT Math 10.3 Geometry and Measurement. What is the ratio of birds to dogs?
Percent Change Videos 8 videos
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?
Number Sense: Drill Set 3, Problem 1. This is a decrease of, approximately, what percent?
Percents Videos 20 videos
ACT Math: Pre-Algebra Drill 5, Problem 1. Factoring in depreciation, how much is the car worth?
SAT Math 2.2 Statistics and Probability. What percent of her recommended daily intake of 2000 calories did she consume?
ACT Math: Pre-Algebra Drill 5, Problem 4. What was the percent discount of the sweater?
Proportions Videos 8 videos
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?
Ratios Videos 12 videos
ACT Math: Pre-Algebra Drill 4, Problem 4. Using the information given, find out how many girls attend the school.
Algebra and Functions: Drill Set 6, Problem 5. How long will it take Snow White to consume the pie from the old hag?
GED Math 2.4 Rational Numbers. Lucius's favorite restaurant is how many km from his home?
Unit Rate Videos 9 videos
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?