What is the distance from Baton Rouge, LA, to St. Louis, MO, on the Mississippi River System?
⢠Mississippi River System mileages are usually measured in statute river miles along the navigation charts ⢠Baton Rouge and St. Louis are both key reference points with charted mile markers on the Mississippi ⢠The total distance between two river ports is often found by subtracting their river mile markers
⢠Think about approximately where Baton Rouge and St. Louis lie along the Mississippi compared to the riverās total length ⢠Consider which answer choices seem too short for a multiāstate trip on a major river versus which seem more realistic ⢠If you know (or can estimate) the river mile numbers for these cities, how would you use subtraction to get the distance?
⢠Make sure you are thinking in statute miles, not nautical miles or kilometers ⢠Ask yourself which options are clearly too short for a trip from Louisiana to Missouri on the Mississippi ⢠If youāve seen an inland river chart before, recall the approximate river mile for Baton Rouge and St. Louis and mentally subtract them
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