Ask Question
12 August, 21:51

Jonathan can type a 20 pages document in 40 minutes, susan can type it in 30 minutes. Jack can type it in 24 minutes. Working together, how much time will it take them to type same document?

+2
Answers (1)
  1. 12 August, 21:58
    0
    Jonathan's rate = 20/40 = 1/2 page per minute

    Susan's rate = 20/30 = 2/3 page per minute

    Jack's rate = 20/24 = 5/6 page per minute

    Combined rate for the three = 1/2 + 2/3 + 5/6 = 2 pages per minute

    Therefore, working together, the will type the document in 20/2 = 10 minutes.
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “Jonathan can type a 20 pages document in 40 minutes, susan can type it in 30 minutes. Jack can type it in 24 minutes. Working together, how ...” 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