SOLUTION: Hello, I do not understand how to do this: How many spherical fishing sinkers with diameter 1 cm could be made by melting a rectangular block of lead 20 cm by 5 cm by 6cm and c

Question 1080890: Hello, I do not understand how to do this:
How many spherical fishing sinkers with diameter 1 cm could be made by melting a rectangular block of lead 20 cm by 5 cm by 6cm and casting the molten product?
Please help me and I would really appreciate if you could.
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
How many spherical fishing sinkers with diameter 1 cm could be made by melting a rectangular block of lead 20 cm by 5 cm by 6cm and casting the molten product?
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The volume of the block is the product of its dimensions.
20*5*6 = 600 cc
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For a sphere:

r = 0.5 cm
Vol of each sphere = cc
# of spheres = 600/(pi/6) = 3600/pi
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