Answer:
A. 22km
Step-by-step explanation:
you're actually multiplying or dividing doesn't matter
25cm=5km add the other one give you 10km
20cm would give you 4km
and the 40cm you would multiply it by 8 times 5 which would give you 40 cm
all in all, it would be 10km+4km+8km=22km
please give brainly :)