Answer:
Because you know how much money you have at that time.
Explanation:
Answer:
The combined length of the Missouri-Mississippi river system, from headwaters [of the Missouri river] in southern Montana, to the mouth of the Mississippi near New Orleans [Louisiana], is aproximately 6,267 km (3,895 mi), making it the world's fourth longest river system, after the Nile, the Amazon, and the Yangtze.
Explanation:
i think its the last answer..hope i helped!!