Question 1100689
f+d+t=246
.05f+.10d+.25t=25.50

f=2*d-40

f-2*d+0*t=-40
f+d+t=246
.05f+.10d+.25t=25.50
1,-2,0,-40
1,1,1,246
.05, .10,.25,25.50

f=120 nickels, d=80 dimes, and t=46 quarters
 *[invoke cramers_rule_3x3 1, 1, 1, 246, ".05", ".10", ".25", 25.50, 1, -2, 0, -40]