Question 900083
x+y=18050,
0.12*x+0.1*y=2037
x=18050-y
0.12*(18050-y)+0.1*y=2037
2166-0.12y+0.1*y=2037
-0.02*y=-129
y= 6450
x=18050-y
x=11600
check
0.12*11600+0.1*6450=2037
1392+645=2037
2037=2037
ok