Answer:
11/21
Step-by-step explanation:
1/3=7/21
1/7=3/21
(7+3)/21=10/21
21/21-10/21=11/21
Thus 11/21 of the circle is shaded.
in 19 81 has in crimn that day there are a war
x = 4 + 3/2y
y = -8/3 + 2/3x
1. Finding X
2x-3y=8
2x=8+3y
x+4+3/2y
2. Finding Y
-3y=8-2x
y=-8/3+2/3x