Youtube videos by Julie Harland are organized at http://YourMathGal.com. Shows how to use algebra to solve this age problem: The sum of the ages of an old dresser and a new dresser is 21. Nine years from now, the age of the new dresser will be the same as the age the old dresser was 8 years ago. Find the present age of each dresser.
age4.mp4<br />For more great math videos visit: www.youtube.com/user/videosbyjulieharland/videos