Question 607392
  <pre><font face = "Tohoma" size = 4 color = "indigo"><b> 
Hi
Good Work on the Second Set-Up: x=#Trucks, y =#vans and z=#station wagons
2x + 1y + 1z = 15
1x + 3y + 3z = 20
3x + 2y + 1z = 22 (5, 2, 3)
x = 5, y=2 and z = 3 
*[invoke cramers_rule_3x3 2,1,1,15,1,3,3,20,3,2,1,22]