Ship a Leaves Port Sailing North at a Speed of 25

question 45

Multiple Choice

Ship A leaves port sailing north at a speed of 25 mph. A half hour later, ship B leaves the same port sailing east at a speed of 16 mph. Let t (in hours) denote the time ship B has been at sea. Find an expression in terms of t giving the distance between the two ships and use this expression to find the distance between the two ships 3 hours after ship A has left port. Round the answer to the nearest tenth. ​

• A) 86.0 mi
• B) 78.0 mi
• C) 83.5 mi
• D) 83.0 mi
• E) 85.0 mi

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