SOLUTION: An airplane flying at 500 miles an hour leaves Minneapolis. One-half hour later, a second airplane leaves Minneapolis flying in the same direction at rate of 600 miles per hour. Ho
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Question 230004: An airplane flying at 500 miles an hour leaves Minneapolis. One-half hour later, a second airplane leaves Minneapolis flying in the same direction at rate of 600 miles per hour. How long will it take the second airplane to overtake the first? Answer by Alan3354(69443) (Show Source):
You can put this solution on YOUR website! An airplane flying at 500 miles an hour leaves Minneapolis. One-half hour later, a second airplane leaves Minneapolis flying in the same direction at rate of 600 miles per hour. How long will it take the second airplane to overtake the first?
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There's a hard way to do these, but take the easy way:
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In 1/2 hour, the 1st plane is 250 miles away (500*0.5)
The 2nd plane gains in it at 100 mph (600-500)
250/100 = 2.5 hours.
