A woman complete a journey in 25 hours. She travels first half of the journey at the rate of 21 km/hr and second half at the rate of 24 km/hr. Find the total journey in km.
Choose the correct choice:
A) 334 km.
B) 216 km.
C) 314 km.
D) 224 km.
E) 560 km.
0.5x/21 + 0.5x/24 = 25   --&gt; x/21 + x/24 = 50   --&gt; x = 560 km.   560 km.
<result>E</result>
A woman complete a journey in 25 hours. She travels first half of the journey at the rate of 21 km/hr and second half at the rate of 24 km/hr. Find the total journey in km.