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30 May, 19:00

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

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  1. 30 May, 19:02
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    The combined mass of rock 1 and 2 = 19.28 + 25.3

    = 44.58

    Difference between rock 3 and combined rocks

    = 46.3 - 44.58

    = 1.72 grams

    therefore, the third rock was 1.72 grams greater than the combined mass of the other two rocks.
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