How many millions did the Louisiana Purchase cost the U.S.? RJ Hamster 10 months ago Come Explore the Bayou Country with This Louisiana Quiz! Start challenge Question01/19 How many millions did the Louisiana Purchase cost the U.S.? $35 million $45 million $8 million $15 million This email was intended for you only. Know someone who might be interested? Invite a Friend Was this email forwarded to you? Sign up here © 2023, US Trivia. All rights reserved. Share this:Print