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## Homework Statement

How far apart are an object and an image formed by a 72.4 cm focal length converging lens if the image is 2.54x larger than the object and is real?

(in cm)

## Homework Equations

m=-(di/do)

m=f/(f-do)

(1/di)+(1/do)=(1/f)

## The Attempt at a Solution

I've tried manipulating these equations to find the distance, but either I don't come up with a reasonable value or I end up with too many variables.