Question 989905
n, d, q for nickels, dimes, quarters.


{{{system(0.05n+0.1d+0.25q=1.00,d=q+2,n=d+6)}}}


What to do, as a plan:
Simplify the money dollar equation to have whole number coefficients.  Use the two coin relationship equations to make substitutions for d in the simplified money one dollar equation.