Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing


  • 3 years ago

A worker can build a fence in 8 hours, With the help of an assistant, the fence can be built in 5 hours. How long should it take the assistant, working alone, to build the fence?

  • This Question is Closed
  1. JamesWolf
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    I am not certain but I think this is right. With both worker and assistant the fence is built in 62.5% the time that it takes just the worker. So the assistant is 12.5% slower than the worker and it takes him 9 hours to build the fence alone.

  2. Not the answer you are looking for?
    Search for more explanations.

    • Attachments:

Ask your own question

Sign Up
Find more explanations on OpenStudy
Privacy Policy