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The uniform meterstick has an object with mass 800 grams hanging at the 15cm mark and an object with mass 350 grams at the 70cm

The uniform meterstick has an object with mass 800 grams hanging at the 15cm mark and an object with mass 350 grams at the 70cm mark. It balances horizontally on a pivot placed at the 35cm mark. What is the mass of the meterstick?

15cm 800g 35cm 10cm 350g

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