Question: Eric and Erin are on a walk one evening when they come upon a lighted sign far away so several hundred meters) in the distance.

Eric and Erin are on a walk one evening when they come upon a lighted sign far away so several hundred meters) in the distance. Eric wants to read the sign, however he has forgot- ten his glasses which correct for nearsighted- ness. Erin is carrying a diverging lens in her pocket with a focal length f. How far from Eric's eyes should she hold the lens for him to observe a clear focused image of the sign

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