Eden drove an average speed of 15 miles per hour for the first 20 miles of a tripthen at a average speed of 30 miles/hr for the remaining 20 miles of the trip if she made no stops during the trip what was eden's avg speed in miles/hr for the entire trip
Choices: A) 35 B) 20 C) 45 D) 50 E) 55
Avg. speed = total distance / total time   Total distance = 40 miles   Total time = 20 / 15 + 15/30 = 2   Avg. speed = 20.   Answer - 20
<result>B</result>
Eden drove an average speed of 15 miles per hour for the first 20 miles of a tripthen at a average speed of 30 miles/hr for the remaining 20 miles of the trip if she made no stops during the trip what was eden's avg speed in miles/hr for the entire trip