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Calculate the focal length required of glasses to be worn

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A pair of eyeglasses are designed to allow a person with a near-point distance of 2.52 m to read a road sign at a distance of 25.2 m. Calculate the focal length required of these glasses if they are to be worn 2.18 cm from the eyes.

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The expert calculates the focal length required for glasses to be worn. A complete, neat and step-by-step solution is provided in the attached file.

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A pair of eyeglasses are designed to allow a person with a near-point distance of 2.52 m to read a road sign at ...

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