Adam drove 951 miles from Tucson to Dallas. He drove the same number of miles each day. How many miles did Adam drive each day to arrive in Dallas in 2 days?

Adam drove 951 miles in 2 days, so he drove 951/2 = 475.5 miles each day.

Since Adam cannot drive half a mile, we can assume that he drove 476 miles each day to arrive in Dallas in 2 days.