Final answer:
To calculate the average length of the trail in each state, divide the total trail length by the number of states. The 2,175-mile trail divided by 14 states equals 155.357 miles per state, rounded to 155 miles (option a).
Step-by-step explanation:
The question deals with calculating the average length of a trail that passes through multiple states. To find the average length of the trail in each state, you divide the total length of the trail by the number of states it passes through.
In this case, the 2,175-mile hiking trail goes through 14 U.S. states. So, we will do the following calculation:
2175 miles รท 14 states = 155.357 miles per state.
Since we are asked to round the answer to the nearest mile, the average length is 155 miles per state (option a).