EASY MATH PLEASE HELP!! : )
NO LINKS PLEASE
EXPLANATION REQUIRED!!

A marathon is a 26.2 mile run. Four friends wanted to run an equal amount of the race. The first runner developed an injury after 0.7 miles. How much will each of the remaining runners have to run?
A) 12 miles
B) 6.55 miles
C) 8.5 miles
D) 13.1 miles