Quantcast

Got Homework?

Connect with other students for help. It's a free community.

  • across
    MIT Grad Student
    Online now
  • laura*
    Helped 1,000 students
    Online now
  • Hero
    College Math Guru
    Online now

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

heretohelp Group Title

1) Jack spends 1 1/2 as long on his homework as Jill. Lask week, Jill spent 9 1/2 hours doing homework. How long did Jack spend doing homework? 2) The week before Jack spent 20 3/4 hours doing homework. How long did Jill spend doing homework? Please Help x

  • 2 years ago
  • 2 years ago

  • This Question is Open
  1. Japs Group Title
    Best Response
    You've already chosen the best response.
    Medals 2

    Jack spends 2/3s the time Jill did Multiply 2/3 by 5 1/2 hrs 5 1/2 hrs = 5/2 So (2/3)(5/2)= 5/3 So Jack spends 5/3s hours doing his HW OR 1 and 2/3s hours if you want this in minutes multiply 5/3 by 60 and you get 100 minutes which is 1 hour and 40 minutes

    • 2 years ago
  2. ChmE Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    Set up an algebra expression.. (Jill)1.5=(Jack) substitute in Jill's time last week

    • 2 years ago
  3. ChmE Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    reversely substiute in Jack's time for 2 and solve for jill

    • 2 years ago
  4. heretohelp Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    Thank you both of you, you guys were a big help!

    • 2 years ago
    • Attachments:

See more questions >>>

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.