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A little aluminum boat (mass of 14.50g) has a volume of 450.00cm3

A little aluminum boat (mass of 14.50g) has a volume of 450.00cm3. The boat is placed in a small pool of water and carefully filled with pennies. If each penny has a mass of 2.50g, how many pennies can be added to the boat before it sinks?
science 8 grade   
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Answer #1
n=174.2 right?
How can you do that?
answered by: UCI Student
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Answer #2
you cant have .2 pennies,so it sinks on the 175th penny.
answered by: Brian 4th grade
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Answer #3
The boat will displace its mass in water, or 450 grams

n*2.5 + 14.5=450
solve for n.
answered by: Jobelle
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