Question 899766
x-y=2000
x=2000+y
0.08*x+0.06*y=468
0.08*(2000+y)+0.06*y=468
160+0.08y+0.06*y=468
0.14*y=308
y=2200 at 6%

 
x=2000+y
x=4200 at 8%

check
0.08*4200+0.06*2200=468
336+132=468
468=468
ok