Learn how to find the time to complete a job when two or more people work together in a combined rate problem in this free math video tutorial by Mario's Math Tutoring.
0:17 Example 1 If John Can Shovel the Driveway in 3 Hours and His Brother Can Shovel the Driveway in 2 Hours. How Long Will it Take Them Working Together?
0:41 Formula for Calculating Combined Rate Problems
2:11 Clearing the Denominators to Solve
Learn Algebra 1 Lesson by Lesson in my "Learn Algebra 1" video course for sale. 87 Lessons teaching you step by step Algebra 1. Check out the 13 free lessons(1 from each chapter)
[ Ссылка ]
Looking to raise your math score on the ACT and new SAT?
Check out my Huge ACT Math Video Course and my Huge SAT Math Video Course for sale at
[ Ссылка ]
For online 1-to-1 tutoring or more information about me see my website at:
[ Ссылка ]
* Organized List of My Video Lessons to Help You Raise Your Scores & Pass Your Class. Videos Arranged by Math Subject as well as by Chapter/Topic. (Bookmark the Link Below)
[ Ссылка ]
