jcannon11fire jcannon11fire 01-03-2019 Mathematics contestada In the formula rt = d, r is rate, t is time, and d is distance. What is the rate for a runner who completes 7.5 miles in 1.5 hours (A) 11.25 mph (B) 9.0 mph (C) 6.0 mph (D) 5.0 mph