To solve rate word problems, knowledge of solving systems of equations is necessary. Rate word problems include problems dealing with rates, distances, time and wind or water current. Other types of word problems using systems of equations include money word problems and age word problems.
Sample Problems (2)
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A train leaves San Francisco and travels north at 40 mph. Another train leaves at the same time and travels south at 80 mph.
A train leaves NYC headed towards LA traveling at 120 mph. At the same time another train leaves LA headed towards NYC at 180 mph.