(adsbygoogle = window.adsbygoogle || []).push({}); formula Help!!

i got this question but i don;t know which formula to use

Q - A 1m plank of Mass 1.0kg is placed on two scales which are at either end of the plank. Masses are hung underneath the plank.

Mass A = 5.0kg at a distance of 0.30m from the left of the plank

Mass B = 5.0kg at a distance of 0.90m from the left of the plank

What do the scales read

Can sumone help me!? plzz

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# Homework Help: Formula Help

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