Ask Question
10 July, 19:26

Pauline travels between two cities. first she drives for 45 minutes at an average speed of 85 km/hr then for 16 minutes at an average speed of 118 km/hr, then she spends 19 minutes eating lunch and buying gas, and then she drives for 13 minutes at an average speed of 43 km/hr. find pauline's average speed for this trip. express it in kilometers per hour and round your answer to the nearest km/hr.

+5
Answers (1)
  1. 10 July, 22:43
    0
    85 x 45/60 = 63.75 km

    118 x 16/60 = 31.47 km

    43 x 13/60 = 9.32 km

    63.75 + 31.47 + 9.32 = 104.54 km

    45 + 16 + 19 + 13 = 93 min = 1.55 hours

    104.54 : 1.55 = 67.45 km/h
Know the Answer?
Not Sure About the Answer?
Find an answer to your question ✅ “Pauline travels between two cities. first she drives for 45 minutes at an average speed of 85 km/hr then for 16 minutes at an average speed ...” in 📘 Mathematics if you're in doubt about the correctness of the answers or there's no answer, then try to use the smart search and find answers to the similar questions.
Search for Other Answers