-0.222
0
one fourth (you already had it in order)
-24 <span>≤ x- 3 -8x
+3 +3
-21 </span><span>≤ x - 8x
-21 </span><span>≤ -7x
/-7 /-7
x </span><span>≤ 3</span>
D=16km
r=8km
circumference of a circle= 2<span>πr
= 2*3.14*8
=50.24km
P.S 3.14 is used as the value for </span><span>π (pie)</span>