Respuesta :

Answer:

63

Step-by-step explanation:

9r + r = 70

9r = 70 - r

r = 7 because 9 times 7 is 63, which is the same as 70 - 7.

Since Hannah traveled 9 times as much as how many minutes Roaul traveled (aka "r" in the equation), Hannah traveled 63 miles.