C.S.

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1. I am traveling from St. Louis to Yellowstone National Park.

2. **Time = 25 hours on the road.

Miles = 1528 miles**

3. At 50 mph = 30.56 30 hours .56 x 60 = 33 minutes
 * 30 hours 33 minutes**

At 100 mph = 15.28 hours .28 x 60 = 37 minutes

**15 hours 37 minutes**

At 65 mph = 23.51(rounded) .51 x 60 = 30 minutes

**23 hours 30 minutes**