You pass Warnicott Bar Lt. at 1146, 24 May. What is your ETA off the Greenville Gage if you average 6.5 mph?
• Distance = Speed × Time relationship when speed is in statute miles per hour (mph) • Converting hours and decimal hours into hours and minutes • Adding travel time that extends into the next day (date change)
• First, find the distance between Warnicott Bar Lt. and Greenville Gage from the appropriate river table or chart. With that distance, how do you compute the travel time at 6.5 mph? • Once you get the travel time in hours (it may be a decimal), how do you convert the decimal part of an hour to minutes accurately? • When you add that travel time to 1146 on 24 May, does the result stay on the same day or roll over into 25 or 26 May?
• Verify you are using statute miles (mph), not knots or nautical miles • Check that you correctly converted decimal hours to minutes (e.g., 0.5 hr = 30 min, not 50 min) • After adding the time to 1146 on 24 May, confirm the correct calendar date before comparing to the answer choices
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