Solve. Enter your answer as a mixed number. The driving distance from Alex's house to the museum is 6 9 10 miles. What is the round-trip distance? The round-trip distance is miles.

13.8 miles

Step-by-step explanation:

The driving distance from Alex's house to the museum is miles

Since the distance from his house to the museum does not change, his trip back is also miles.

The Round-Trip Distance is the distance to and from the museum.

To determine this, there ate two approaches.

Approach 1

Approach 2

The round trip distance is 13.8 miles.

the answer is b.)

< 1=< 2