Answer
$d_{ired}=49.854cm$
$d_{iyellow}=47.870cm$
Work Step by Step
$\frac{1}{f_{red}}=(n_{red}-1)\Big(\frac{1}{R_1}+\frac{1}{R_2}\Big)=(1.5106-1)\Big(\frac{1}{14.5}+\frac{1}{\infty}\Big)=0.035214$
$f_{red}=28.398cm$
$\frac{1}{f_{yellow}}=(n_{yellow}-1)\Big(\frac{1}{R_1}+\frac{1}{R_2}\Big)=(1.5226-1)\Big(\frac{1}{14.5}+\frac{1}{\infty}\Big)=0.036041$
$f_{red}=27.746cm$
$d_i=\frac{fd_o}{d_o-f}$
$d_{ired}=\frac{f_{red}d_o}{d_o-f_{red}}=\frac{(28.398cm)(66.0cm)}{66.0cm-28.398cm}=49.854cm$
$d_{iyellow}=\frac{f_{yellow}d_o}{d_o-f_{yellow}}=\frac{(27.746cm)(66.0cm)}{66.0cm-27.746cm}=47.870cm$