Two planes are flying around the world. The first plane is flying at 300 miles per hour (mph) and is 350 miles ahead of the second plane. The second plane is flying at 400 mph. How long will it take for the second plane to catch the first plane? A) 3 hr, 30 min B) 2 hr C) 1 hr, 10 min D) 45 min E) none of these
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The second plane is flying at 400 mph, while the first plane is flying at 300 mph. So, the second plane is gaining on the first plane at a rate of 400 - 300 = 100 mph. Show more…
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