Jill has a mixture of sand and iron filings. The mass of the mixture is 250 g. Jill uses a magnet to separate the two substances. Then, she measures the mass of the sand as 150 g.
What should be the mass of the iron filings?
A.
250 g
B.
It is impossible to determine.
C.
150 g
D.
100 g
Answers: 2
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Jill has a mixture of sand and iron filings. The mass of the mixture is 250 g. Jill uses a magnet to...
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