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Biology 7 Online
OpenStudy (anonymous):

The light from Star 2 reaches Star 1 in 63 years. If Star 3 is 75 light years from Star 2, which of these conclusions about the stars is correct? Star 2 is 75 miles away from Star 3. Star 2 is 63 kilometers away from Star 3. Star 1 is 12 light years away from Star 3. Star 1 is 138 light years away from Star 3.

OpenStudy (blues):

This looks like a math question so it should probably be posted in the math group. That said, I'd draw a picture: |dw:1345419076124:dw|

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