The unit rate would be 48.5 miles per hour because you would just divide 194 and 4 and get the ratio of 48.5:1
Answer: Alex is correct .
Step-by-step explanation:
The perimeter of the triangle is : 12.6.
This result is obtain by the use of triangle perimeter formula :

Where : a is the distance between the points A and B
b is the distance between the points B and C
c is the distance between the points C and A