A moth at about eye level is 5.9 cm in front of a plane, Ask an Expert

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A moth at about eye level is 5.9 cm in front of a plane mirror; you are behind the moth, 17.8 cm from the mirror. At what distance must you focus your eyes to see the image of the moth in the mirror, that is, what is the distance between your eyes and the apparent position of the image?

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