John drove for 3 hours at a rate of 50 miles per hour and for 2 hours at 60 miles per hour. What was his average speed for the whole journey?  Choose the most appropriate option: A) The average speed is 54 miles per hour. B) The average speed is 32 miles per hour. C) The average speed is 44 miles per hour. D) The average speed is 60 miles per hour. E) The average speed is 72 miles per hour.
Step 1: The formula for distance is   Distance = Rate × Time   Total distance = 50 × 3 + 60 × 2 = 270   Step 2: Total time = 3 + 2= 
<gadget id="calculator">3 + 2</gadget>
<output>5</output>
5   Step 3: Using the formula   average speed formula    270/5= 
<gadget id="calculator"> 270/5</gadget>
<output>54</output>
54   The average speed is 54 miles per hour.nswer(The average speed is 54 miles per hour.)
<result>A</result>
John drove for 3 hours at a rate of 50 miles per hour and for 2 hours at 60 miles per hour. What was his average speed for the whole journey?