Question 1100011
q quarters
n nickels
-
{{{q=6+n/2}}}


{{{0.05n+0.25(6+n/2)=5}}}
-

{{{n+5(n/2+6)=100}}}


{{{2n+10(n/2+6)=200}}}

{{{2n+5n+60=200}}}

{{{7n=140}}}

{{{highlight(n=20)}}}------------which is one dollar.


Next, just account for $4 in quarters...
{{{highlight(q=16)}}}