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High-speed Train. The Acela train travels between Boston and Washington, a distance of 457 miles. The trip takes 6.5 hours. What is the average speed?. Rate (miles/hour). =. Time (hours). Distance (miles). =. r. 6.5. 457. EXAMPLE 1. Use a formula. SOLUTION.
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High-speed Train The Acela train travels between Boston and Washington, a distance of 457miles. The trip takes 6.5 hours. What is the average speed? Rate (miles/hour) = Time (hours) Distance (miles) = r 6.5 457 EXAMPLE 1 Use a formula SOLUTION You can use the formula for distance traveled as a verbal model.
70.3 r ANSWER The average speed of the train is about 70.3miles per hour. 70.3miles 457 miles 6.5hours 1hour EXAMPLE 1 Use a formula An equation for this situation is 457 = 6.5r. Solve for r. 457 = 6.5r Write equation. Divide each side by 6.5. CHECK You can use unit analysis to check your answer.
ANSWER Jet takes about 12.5hours to fly from New York to Tokyo. for Example 1 GUIDED PRACTICE AVIATION: A jet flies at an average speed of 540miles per hour. How long will it take to fly from New York to Tokyo, a distance of 6760miles? 1.