Recent content by AD1985

Thank you! It's been a while since I've penciled down an algebra equation, let's see if this rusty old brain can get that X value now :)

You have 10 days of numbers that are averaged together (10 day avg). The most recent 3 days of numbers also averaged (3 day avg). The 3 day average is divided by the 10 day average to arrive at (3d/10d) The oldest number in the series is dropped off and a new one, X, is added. X is the newest...