Can someone solve this arithmetic problem for me?

Can someone solve this arithmetic problem for me?
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1 Answer

Answer :

The total distance to be flown is 2850 miles in six hours. 3,5 hours have been travelled at 436 mph, so a distance of 1526 has been travelled (3,5 hours * 436 miles per hour) The journey may last 6 hours, so their is 2,5 hours left (6 hours to go – 3.5 hours travelled) In those 2.5 hours 1324 miles will have to be travveled (2850 miles to go – 1526 miles traveled) The speed needed for that is 529.6 mph (1324miles / 2,5 hours) So the answer is 529.6 mph
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