Answer:
else will drive 567 miles in 8h
Explanation:
take 864÷ 12 to get how many hours she drives in one hour
you get 72
then you take 864÷2 to get how many miles she'll drive in 6h
you get 432
then you take 432 and add 144 or 72 + 72
and you get 567 miles in 8h
hope this helped!!