A community for students.

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

LollyLau

  • 4 years ago

[Easy] Peter and John need to use 6 days to complete some work. John and Lucas need 9 days to finish it, and Peter and Lucas need 15 days to finish it. How many days do they have to use if they do the work together?

  • This Question is Closed
  1. LollyLau
    • 4 years ago
    Best Response
    You've already chosen the best response.
    Medals 2

    anyone?

  2. LollyLau
    • 4 years ago
    Best Response
    You've already chosen the best response.
    Medals 2

    They're still busy doing the previous one. "sigh"

  3. anonymous
    • 4 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    this is a set of diophantine equations right

  4. anonymous
    • 4 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    You can do it using time and work formula.

  5. LollyLau
    • 4 years ago
    Best Response
    You've already chosen the best response.
    Medals 2

    get three people named Peter, John and Lucas and start :)

  6. anonymous
    • 4 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    work = work/time * time?

  7. anonymous
    • 4 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    alright in Python I will create Peter, John, and Lucas objects and see how long they take to do the thing

  8. anonymous
    • 4 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    Do you need to use python for EVERYTHING?

  9. LollyLau
    • 4 years ago
    Best Response
    You've already chosen the best response.
    Medals 2

    easy solution below.

  10. LollyLau
    • 4 years ago
    Best Response
    You've already chosen the best response.
    Medals 2

    Peter = p John = j Lucas = l p+j = 1/6 j+l = 1/9 p+l = 1/15.

  11. LollyLau
    • 4 years ago
    Best Response
    You've already chosen the best response.
    Medals 2

    add p, j, and l and find the reciprocal.

  12. anonymous
    • 4 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    Yeah, I knew that, just too lazy to work it out.

  13. anonymous
    • 4 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    yea it is a bunch of arithmetic \[\frac{180}{31}\] i think

  14. LollyLau
    • 4 years ago
    Best Response
    You've already chosen the best response.
    Medals 2

    nice! you got it correct.

  15. Mertsj
    • 4 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    Of course he did.

  16. anonymous
    • 4 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    my arithmetic somethings fails me though

  17. LollyLau
    • 4 years ago
    Best Response
    You've already chosen the best response.
    Medals 2

    namely careless.

  18. 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

Your question is ready. Sign up for free to start getting answers.

spraguer (Moderator)
5 → View Detailed Profile

is replying to Can someone tell me what button the professor is hitting...

23

  • Teamwork 19 Teammate
  • Problem Solving 19 Hero
  • You have blocked this person.
  • ✔ You're a fan Checking fan status...

Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.

This is the testimonial you wrote.
You haven't written a testimonial for Owlfred.