Question 905233
a+c=459,
41*a+17*c=12435
a=459-c
41*(459-c)+17*c=12435
18819-41c+17*c=12435
-24*c=-6384
c=266
a=459-c
a=193 at 41 and  c=266 at 17
check
193+266=459
41*a+17*c=12435
41*193+17*266=12435
7913+4522=12435
12435=12435
ok