PLEASE EXPLAIN HOW TO GET THE ANSWER OF $5\mathrm{.}1$ AND $1\mathrm{.}8$ IN SIMPLE TERMS!!

An object with height $2$ cm is placed in front of a lens as shown. The letter F indicates the focal point on each side of the lens.

$1.$ At what distance from the lens will the image be formed $($ignoring sign$)?$

A$.1\mathrm{.}9$ cm

B$.2\mathrm{.}1$ cm

C$.5\mathrm{.}1$ cm

D$.7\mathrm{.}1$ cm

E$.18$ cm

$3.$ What will be the magnification of the image $($ignoring sign$)?$

A$.0\mathrm{.}54$

B$.0\mathrm{.}69$

C$.1\mathrm{.}8$

D$.2\mathrm{.}2$

E$.6\mathrm{.}5$