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: It takes 12 hours to fill a water tank. It takes 16 hours to drain the same water tank. How long will it take to fill the tank if the drain is left open?
Your favorite school teacher Michel van Biezen introduces you to solving word problems in Algebra, touching on a variety of practical applications including: mixture problems, sum of consecutive integers, calculating age, number problems, rate and distance problems, percentages, investment calculations, rates of performing work, determining the equation based on two points, finding the slope and X and Y intercepts, solving word problems with two variables, and much more.
His videos are short and straight-forward, presenting the problems clearly, with explanation, and a thorough solution.