Steve traveled the first 2 hours of his journey at 55 mph and the remaining 3 hours of his journey at 80 mph. What is his average speed for the entire journey?  Options:
A) 60 mph
B) 56.67 mph
C) 70 mph
D) 64 mph
E) 66.67 mph
Distance traveled in 2 hours = 2 * 55= 
<gadget id="calculator">2 * 55</gadget>
<output>110</output>
110 m   Distance traveled in 3 hours= 3 * 80= 
<gadget id="calculator">3 * 80</gadget>
<output>240</output>
240m   Total distance covered= 240 + 110= 
<gadget id="calculator">240 + 110</gadget>
<output>350</output>
350m   Total time= 2 + 3= 
<gadget id="calculator">2 + 3</gadget>
<output>5</output>
5 h   Hence avg speed= total distance covered / total time taken   = 350/5= 
<gadget id="calculator">350/5</gadget>
<output>70</output>
70mph   Answer: 70 mph
<result>C</result>
Steve traveled the first 2 hours of his journey at 55 mph and the remaining 3 hours of his journey at 80 mph. What is his average speed for the entire journey?