Practice problem
Percent Word Problems - Examples & Practice
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Have you heard about Pluto? That's messed up.
Today (August 24) in , Pluto was demoted to a dwarf planet. A new definition for a planet was released stating that a planet has to dominate the neighborhood around its orbit, which Pluto did not.

By Jcpag2012 CC BY-SA 4.0, from Wikimedia Commons
If Pluto has a radius of about kilometers and Earth has a radius of about kilometers, then approximately what percent is Pluto's volume compared to Earth's?