Answer: if one hiker walks faster than the other, their rate would be 9.68mph or 9.7mph if u round up and the rate of the other hiker that is walking slower is 4.4mph.
Explanation:
For the hiker walking 2.2mph
I did: 22 x 2.2 = 48.4/5 = 9.68
Rate = 9.68mph
For the other hiker
I did: 22/5= 4.4
rate = 4.4mph