ACT MATH · Rates & Word Problems · Standard
Rates & Word Problems: A boat travels math miles downstream in math hours. The current is math mph. Find the boat's still-water speed.
Distance-rate-time, work, mixtures.
Try the problem
A boat travels miles downstream in hours. The current is mph. Find the boat's still-water speed.
Hint and answer
Concept to use
Combined rates.
Hint
Downstream speed equals boat speed plus current.
Answer
12
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