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Mathematics, 15.12.2020 20:40 sherlock19

Planet X is 1/2 of a light-year away from Earth. Planet Y is 3/10 of a light-year away from Earth. How much farther away is Planet X?

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Planet X is 1/2 of a light-year away from Earth. Planet Y is 3/10 of a light-year away from Earth. H...
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