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A graduated cylinder has a mass of 50 grams when empty. When 30 mL of water is added, the graduated cylinder has a mass of 120 grams. If a rock is added to the cylinder, the water level rises to 75mL and the total mass is now 250 grams. What is the density of the rock?

Question

01-10-2022
Mathematics

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4
A graduated cylinder has a mass of 50 grams when empty. When 30 mL of water is added, the graduated cylinder has a mass of 120 grams. If a rock is added to the cylinder, the water level rises to 75mL and the total mass is now 250 grams. What is the density of the rock?

Sagot :

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