grena020808 grena020808 25-02-2021 Mathematics contestada The formula for distance traveled is d = rt, where r is rate and 1 is time. What will be the value for d when an airplane flies at 420 miles per hour for three hours? A. d = 420 miles B. d = 423 miles C. d = 840 milesD. d = 140 miles E. d = 1260 milesHELP ASAP!!!!