A woman complete a journey in 5 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 most appropriate option:
A) 334 km. B) 216 km. C) 112 km. D) 224 km. E) 544 km.
0.5x/21 + 0.5x/24 = 5   --&gt; x/21 + x/24 = 10   --&gt; x = 112 km.   112 km.
<result>C</result>
A woman complete a journey in 5 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.