Algebra in Words presents WORD PROBLEMS DECODED by Gregory Bullock

Author:Gregory Bullock [Bullock, Gregory]
Language: eng
Format: epub, pdf
Published: 2015-11-15T23:00:00+00:00

The vehicles involved are usually a plane flying through the air or a boat on moving water such as a river. As the value of the rate of the current will likely be given, plug it into the unknowns. Then, substitute the unknowns and the given values of the distances into the template equation:

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Rate of Speed of Vehicle & Current Unknown (Upstream/Downstream)

Unlike most of the other problems involving rate of speed, this type of problem will have two variables and will use a system of two linear equations to solve.

Each equation will be built from the rate of speed formula, solved for d:

rt = d

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