Consider the formula d = rt, where d represents distance, r represents rate, and t represents time. how could the formula be rearranged to determine the number of hours it takes to reach kate's destination? a) t = dr b) t = rd c) t = rd d) t = dr in the given situation, how many hours will katie be traveling on the train? a) 5.1 hours b) 4.5 hours c) 4 hours d) 3.8 hours