Distance from start to look out point is calculated below d1 = 8 3/4 miles - 0 miles = 8 3/4 Distance from look out point to giant boulder is, d2 = 8 3/4 miles - 4 1/4 miles = 9/2 miles = 4.5 miles Thus, the answer is equal to 4 1/2 miles. The answer is letter C.