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August 16th, 2012, 09:50 AM  #1 
Member Joined: Feb 2012 Posts: 97 Thanks: 0  Distance, rate, and time help.
"It took Phyllis 2 hours and 30 minutes to ride to Antonio's house at 16 miles per hour. How far is it between Phyllis's house and Antonio's house?" I understand that if it was 2 hrs * 16, but this time it's 30 minutes added. How do I solve this problem? 
August 16th, 2012, 10:50 AM  #2 
Senior Member Joined: Jun 2011 Posts: 164 Thanks: 0  Re: Distance, rate, and time help.
take 30 minutes as half an hour because 30/60=0.5 So it took him 2.5 hours total for the ride, therefore you just multiply time by speed to get distance, which is 2.5x16=40 miles If it is some other minutes, for example: 12, you just convert it into hours and use the formula 12/60=0.2 hours then 2.2x16=35.2 miles 
August 16th, 2012, 12:38 PM  #3 
Member Joined: Feb 2012 Posts: 97 Thanks: 0  Re: Distance, rate, and time help.
Larry flew to Peter's house. It is 21 miles from Larry's house to Peter's house. It took Larry 1 hour and 30 minutes to get there. How fast did Larry go? Something I keep doing wrong on this equation. I mean, here's what I do: 15/60 = 2.5 + 1 = 2.6 2.6*21 = wrong.. 
August 16th, 2012, 12:46 PM  #4 
Senior Member Joined: Jul 2010 From: St. Augustine, FL., U.S.A.'s oldest city Posts: 12,211 Thanks: 521 Math Focus: Calculus/ODEs  Re: Distance, rate, and time help.
Speed is distance divided by time: 

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