SOLUTION: Marcos traveled in his car from Phoenix to flagstaff on interstate 17, a mountain highway. He went a total of 155 miles in 2 hours 17 minutes without stopping. After driving for 2.
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Question 1092092: Marcos traveled in his car from Phoenix to flagstaff on interstate 17, a mountain highway. He went a total of 155 miles in 2 hours 17 minutes without stopping. After driving for 2.2 hours, Marcos' total distance travels was 153 miles. At what constant speed would he have to travel for the last 5 minutes in order to complete the 155 mile drive in 2 hours and 17 minutes? Found 2 solutions by math_helper, MathTherapy:Answer by math_helper(2461) (Show Source):
You can put this solution on YOUR website! 2.2 hrs is 2hrs and (2/10)*60 = 12minutes. That leaves 5minutes out of 2hrs 17min given. Marcos must drive the remaining 2mi in 5minutes or
You can put this solution on YOUR website! Marcos traveled in his car from Phoenix to flagstaff on interstate 17, a mountain highway. He went a total of 155 miles in 2 hours 17 minutes without stopping. After driving for 2.2 hours, Marcos' total distance travels was 153 miles. At what constant speed would he have to travel for the last 5 minutes in order to complete the 155 mile drive in 2 hours and 17 minutes?
He has 2 (155 - 153) miles to go, and 5 mins () to do it in, so his speed should be:
