7mins 20secs
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1 minute = 60 seconds ⇒ 7 minutes 20 seconds = 7 x 60 seconds + 20 seconds = 440 seconds
It would take three hours eleven minutes and eighteen seconds (3:11:18) to fly 440 miles at a speed of 138 mph.138 miles per hour is 2.3 miles per minute.440/2.3=191.3191.3/60=3 → Remainder of 11.30.3 minutes is equal to 18 seconds.
440 feet
60 minutes = 1 hour 120 minutes = 2 hours . . 420 minutes = 7 hours 440 minutes = 7hours + 20minutes
There are 25.4 minutes in one inch. 440/25.4 - 17.3 inches