Ask Question
24 August, 12:56

It took Mary 1.5 hours to bicycle 39km. Then she slowed down and took another 3 hours to bicycle 51 km more. Find her average speed for the trip

+4
Answers (1)
  1. 24 August, 12:59
    0
    Average speed = (total distance) / (total time)

    average speed = (39 + 51) / (1.5 + 3)

    = 90 / 4.5

    = 20 km per hr <==
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “It took Mary 1.5 hours to bicycle 39km. Then she slowed down and took another 3 hours to bicycle 51 km more. Find her average speed for the ...” in 📗 Mathematics if the answers seem to be not correct or there’s no answer. Try a smart search to find answers to similar questions.
Search for Other Answers