Question 907107
0.07*z+0.08*z+0.105*z=1109.25
x=y
y=z

.255*z=1109.25
z=1109.25/0.255
x=4350
y=4350
z=4350
x+y+z=13050

0.07*4350+0.08*4350+0.105*4350=1109.25