Question 1048087
{{{system(0.05n+0.1d+0.25q=1.90,n=1+2d,q=(1/2)(n+d))}}}


{{{system(n+2d+5q=38,n=2d+1,2q=n+d)}}}


{{{system(n+2d+5q=38,n-2d=1,n+d-2q=0)}}}
A few matrix row reduction operations on this could be a good way to go.