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**1. Homework Statement**

A magnifying glass has a converging lens of focal length 17.0 cm. At what distance from a nickel should you hold this lens to get an image with a magnification of +2.00?

**2. Homework Equations**

1/F=(1/Dobject)+(1/Dimage)

M=-Dimage/Dobject

**3. The Attempt at a Solution**

I did not know how to even start this because the distance of the image is not given so i cannot solve and plug. Please help, just started this lesson couple of days ago. Thanks!