On Monday, Greg walks the entire length of a trail that is 3 1/2 miles long. On Tuesday he walks the entire length of a trail that is 4.6 miles long. On Wednesday, he starts out on a trail that is 2 1/5 miles long, but he does not walk the final 1.7 miles. How many miles does Greg walk in total on Monday, Tuesday, and Wednesday? *
A. 8 3/5
B. 8 3/50
C. 10 3/10
D. 10 3/100