[A]. 220 km
[B]. 224 km
[C]. 230 km
[D]. 234 km
✅ The correct answer is option B.
(1/2)x
+
(1/2)x
= 10
(1/2)x
+
(1/2)x
= 10
21
24
x
+
x
= 20
21
24
15x = 168 x 20
x =
168 x 20
= 224 km.
15