Question 1099069
1.{{{Q+N=19}}}
.
.
.

{{{25Q+5N=215}}}
2.{{{5Q+N=43}}}
Subtracting 1 from 2,
{{{5Q+N-Q-N=43-19}}}
{{{4Q=24}}}
Solve for Q then use either equation to solve for N.