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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...

Statistics, Data, and Probability I: Drill Set 3, Problem 2. Which day had the greatest percentage increase in time spent from the previous day?

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...

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?

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?

This video explains similar figures and how to figure out if two shapes are similar using sides and angles. Plus, it discusses how to use one shape...

ACT Math: Pre-Algebra Drill 4, Problem 4. Using the information given, find out how many girls attend the school.

SAT Math 10.3 Geometry and Measurement. What is the ratio of birds to dogs?

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

Pick the expression that best represents the cost in dollars of riding m miles in a taxi.

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

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...