Problem 165 of 7
Write and solve a system from the two constraints in A boat travels 30 miles downstream in 2 hours. The return trip upstream takes 3 hours. Find the speed of the boat in still water and the speed of the current.
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translate simultaneous relationships into equations.
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Context must contain two simultaneous linear relationships.
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Your answer is equivalent to the expected form.
Walkthrough
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1. Define the two variables.
2. Write one equation for each relationship.
3. Solve the system and interpret both variables.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Solving with only one constraint.