Answer
$d_{i2}=18.5cm$
$m=-0.651$
Work Step by Step
$f=25cm$
$d_{o1}=35cm$
$d_{i1}=\frac{1}{\frac{1}{f}-\frac{1}{d_{o1}}}=87.5cm$
$d_{o2}=-(87.5cm-16.5cm)=-71cm$
$d_{i2}=\frac{1}{\frac{1}{f}-\frac{1}{d_{o2}}}=18.5cm$
$m=m_1\times m_2=\frac{87.5cm}{35cm}\frac{18.5cm}{-71cm}=-0.651$
