Word problems are challenging, but rewarding once you learn how they're done! Let's take a look at another word problem, this time we'll try one that deals with age:
Problem Text: A man is 21 years older than his son. Five years ago he was 4 times as old as his son. What are their ages now?
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.