back-of-the-coaster math

From: Paul David Mena <pauldavidmena_at_gmail.com>
Date: Tue, 16 Sep 2025 14:40:29 -0400

back-of-the-coaster math
the cost of one car
versus two

-- 
Paul David Mena
--------------------
pauldavidmena_at_gmail.com

Received on Tue Sep 16 2025 - 14:40:42 EDT

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