-5 i think.....................
Step-by-step explanation:

Noelle goes east at N mph.
Karina travels west at N + 9
then their velocity between them is (N + N + 9)
After 8 hours they travel 8(2N + 9) = 232
(2N + 9) = 29
2N = 20
N = 10 mph for Noelle
N+9=19 mph for Karina
Dude, it's impossible to solve without the pic
Answer:
No
Step-by-step explanation:
Neither 4 or 7 is a solution to both equations