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Solving a System of Equations with Two Unknowns
Distance = Rate x Time Problems
Mixture Problems
Blinders
Solving a System of Equations with Three Unknowns
  DISTANCE = RATE x TIME PROBLEMS
Continuing to solve the problem, next you would set up the following equations:

Equation1: (r + w) (3) = 1500
Equation 2: (r – w) (3 1/5) = 1500
Two equations
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