Visit http://ilectureonline.com for more math and science lectures!
Word problems are challenging, but rewarding once you learn how they’re done! Let’s take a look at another word problem. This series introduces the rates of performing work problems. A lot of people have trouble with these kinds of problems, but keep watching and you’ll see it’s not nearly as hard as you think!
Problem Text: Jim can dig a hole by himself in 12 hours. John can do it in 8 hours. Jack can do it in 6. How long will it take them if they all work together?