A community for students.

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

anonymous

  • 5 years ago

need help solving this equation step by step soybean meal is 18% protein, cornmeal is 9% protein how many lbs of each should be mixed together to get 360lb mixture that is 15%

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

    "soybean meal is 18% protein" does that mean soybean meal contains 18% protein?

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

    yes

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

    Okay

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

    Lets assume that we mixed x lbs of soybean and y lbs of cornmean

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

    So x + y = 360 lbs

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

    This is your first equation

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

    18/100(x)+9/100(y)=15/100

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

    18x+9y=15

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

    This is your second equation

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

    my mathlab says the second equation is 0.09x+0.18y=54

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

    this is where i started getting confused cant figure out where they got 54

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

    Excellent

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

    Matlab is right

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

    I missed something

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

    how did they get 54

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

    You see on the right hand side, I did it wrong

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

    18/100(x)+9/100(y)=(15/100)x(360)

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

    yeah thats y i asked about mathlab

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

    18/100(x)+9/100(y)=(15/100)x(360) =>0.18(x)+0.09(y)=54

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

    Got it?

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

    360(.15)=54

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

    Yes

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

    why any doubt?

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

    wasnt sure mathlab gives answer not explanation gets confusing to me im really really bad at math

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

    If you don't mind, is this problem for your kids

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

    I mean is this from their assignment

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

    no its for me, i go to strayer

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

    Thats very good.

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

    Any more problems at this time, which I can assist you with?

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

    yes complete the ordered triple 8x-y+z=32 3x+2y-3z=36 x-3y+2z=-14

  31. 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.