Related Topics:
More Lessons for Problem Solving and Data Analysis
More Lessons for SAT Math
More Resources for SAT
Algebra Tutorials
This video is for the redesigned SAT which is for you if you are taking the SAT in March 2016 and beyond.
Mean Word Problem - SAT
At a primate reserve, the mean age of all male primates is 15 years, and the mean age of all female primates is 19 years. Which of the following must be true about the mean age m of the combined group of male and female primates at the primate reserve?
Go to next Question
Try out our new and fun Fraction Concoction Game.
Add and subtract fractions to make exciting fraction concoctions following a recipe.
There are four levels of difficulty: Easy, medium, hard and insane. Practice the basics
of fraction addition and subtraction or challenge yourself with the insane level.
We welcome your feedback, comments and questions about this site or page. Please submit your feedback or enquiries via our Feedback page.