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Gomez found the masses of three rocks for a science project. the first rock had a mass of 19.28 grams, the second rock had a mass of 25.3 grams, and the third rock had a mass of 46.3 grams. how much greater was the mass of the third rock than the combined mass of the other two rocks?

Answer :

jobina15
The combined mass of the other two rocks is just their masses added together:
19.28 + 25.3= 44.58

To find how much greater the third rock is, just subtract:
46.3 - 44.58= 1.72

Answer: 1.72 grams greater 

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