Question 869744
n nickesl and q quarters
{{{n+q=20}}}


$2.20
{{{5n+25q=220}}}
multiply left and right by  {{{1/5}}}.
{{{n+5q=44}}}



If a system is wanted then it is  {{{system(n+q=20,n+5q=44)}}}.



If you want to solve the system,  ... your choice of method or,  you might do some steps in your head:
{{{q=6}}} and {{{n=14}}};
you can try to recheck.