Visit http://ilectureonline.com for more math and science lectures!
In ths video I will solve Type 8 of Example 5 word problem: Jeff can paint a house in 40 hours and Karl can paint the same house in 36 hours. If Jim can paint twice as fast as Jeff and Tom can paint 3 times as fast as Karl. How fast can Jim and Tom paint the house together?
Next video in this series can be seen at: