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.

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
Answer by MathTherapy(10551) (Show Source): 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:
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