Question 901003
x+y=50000,
0.14*x+0.06*y=4500
x=50000-y
0.14*(50000-y)+0.06*y=4500
7000-0.14y+0.06*y=4500
-0.08*y=-2500
y=31250 at 6%
x=50000-y
x=18750 at 14%
check
0.14*18750+0.06*31250=4500
2625+1875=4500
4500=4500
ok