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An emergency vehicle travels 10 miles at a...

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An emergency vehicle travels 10 miles at a speed of 50 miles per hour. How fast must the vehicle travel on the return trip if the round-trip travel time is to be 20 minutes?

  1. 72 miles per hour
  2. 75 miles per hour
  3. 65 miles per hour
  4. 78 miles per hour
Asked By : SubramanianCategory : Time Problems
Answer
b. 75 miles per hour

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