SOLUTION: Your aunt leaves 45 minutes before you and drives at 60 mph. You want to catch her in 4 hours. How fast do you need to drive? How far will you drive?
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Question 360058: Your aunt leaves 45 minutes before you and drives at 60 mph. You want to catch her in 4 hours. How fast do you need to drive? How far will you drive? Found 2 solutions by vleith, mananth:Answer by vleith(2983) (Show Source):
You can put this solution on YOUR website! How far will your have gone? She left 3/4 of an hour before you and will drive a total of 3/4 + 4 = 19/4 hours.
At 60mph, she will travel miles
So the total distance is 285.
How fast do you have to drive to cover 285 miles in just 4 hours? mph
Be careful of the speed limits! A few extra minutes is better than a speeding ticket!!
You can put this solution on YOUR website! aunt 60 mph
in 3/4 hour she travels 3/4*60=45 miles
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to catch up in 4 hours
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catch up speed = 45/4
=11.25 mph
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60+11.25= 71.25 mph
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m.ananth@hotmail.ca
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