Question 1169209
r and t
richard and teo


{{{system(r+t=239,r=2t+3)}}}


{{{2t+3+t=239}}}

{{{3t=236}}}

{{{t=78&2/3}}}

..... 
Teo,  78 years 8 months
Richard,  160 years 4 months


If those are not the kinds of results you wanted then recheck problem description.