Word problems are challenging, but rewarding once you learn how they're done! Let's take a look at another word problem. This problem deals interest rate percentages.
Problem Text: A sum of $4000 is to be invested in 2 portions, on at 4%, the other at 6%. If the interest earned with the portion at 4% exceeds the interest earned by the portion at 6% by $40, how much is invested at each rate?
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.