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  • Stage 1

    Answer 4 questions correctly in a row.

Mrs. Burton poured liquid glass into a mold to make a glass vase. She poured 400 grams of orange liquid glass and 400 grams of red liquid glass into the mold and covered it.
The next day, Mrs. Burton uncovered the mold and saw that there had been a change. The mold now contained an orange-and-red solid glass vase with a mass of 800 grams.
Look at the graph and answer the question below.
0
200
400
600
800
1,000
Mass (grams)
Before
After
orange liquid glass
orange-and-red glass vase
red liquid glass
Masses before and after the change
Complete the following sentences.
Before the change, the total mass of the orange liquid glass and red liquid glass was i grams. After the change, the mass of the orange-and-red glass vase was i grams.
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