A Word Problem about Boats

http://demonstrations.wolfram.com/AWordProblemAboutBoats/ The Wolfram Demonstrations Project contains thousands of free interactive visualizations, with new entries added daily. For younger students word problems involving moving objects are often hard to visualize. Here is the problem: "Two motorboats on opposite shores of a river start moving toward each other, but at different speeds. When they pass each other the first time... Contributed by: Jon Mormino