A community for students.

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

sbuck98

  • one year ago

3 word problems

  • This Question is Closed
  1. sbuck98
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    1 Attachment
  2. sbuck98
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    will award medal

  3. Nnesha
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    13 ??

  4. Nnesha
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    `karen is 13 years older than juan` let karen = x and juan =y so you can replace karen and juan with x and y `x is 13 years older than y` here is represent `=` sign

  5. Nnesha
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    older than so means + sign `x is 13 years + y` replace is with equal sign

  6. Nnesha
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    `the sum is 55` again is represent equal sign sum/add so when you add their agez u should get 55 `x+y=55`

  7. sbuck98
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    I need to find x and y though... @Nnesha

  8. sbuck98
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    so 55-13?

  9. sbuck98
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    can u help me with all 3?

  10. Nnesha
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    \(\color{blue}{\text{Originally Posted by}}\) @Nnesha older than so means + sign `x is 13 years + y` replace is with equal sign \(\color{blue}{\text{End of Quote}}\) |dw:1443470989015:dw|

  11. Nnesha
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    first equation x=13+y 2nd equation x+y=55 now solve for x and y

  12. sbuck98
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    I keep getting 0.

  13. Nnesha
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    \[\huge\rm \color{ReD}{x=13+y}\]\[\huge\rm \color{ReD}{x}+y=55\] substitute x for 1st equation into 2nd

  14. sbuck98
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    43

  15. sbuck98
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    can you help with the other 2?

  16. sbuck98
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    *42

  17. Nnesha
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    42 is what ? show ur work

  18. sbuck98
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    Y=42

  19. Nnesha
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    how did you get that ?

  20. sbuck98
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    rearranging and solving

  21. sbuck98
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    and 42-13=55

  22. Nnesha
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    42-13 isn't equal to 55

  23. sbuck98
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    +

  24. Nnesha
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    well 52+3 is also equal to 55

  25. Nnesha
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    we don't know their age we can't say juan is 42 or karent is 42

  26. sbuck98
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    what do I do now?

  27. Nnesha
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    |dw:1443471837600:dw|

  28. sbuck98
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    13+y=55 thats what im trying to solve

  29. Nnesha
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    just substitute x with 13+y |dw:1443472032633:dw| the other y stay the same

  30. Nnesha
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    now solve for y \[\huge\rm 13+y+y=55\] first combine like terms

  31. sbuck98
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    ?

  32. Nnesha
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    what ??

  33. sbuck98
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    why are you using 3 ys?

  34. sbuck98
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    2

  35. Nnesha
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    |dw:1443472292016:dw| these are 2 equations

  36. sbuck98
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    and the solution is 0 for the both.

  37. Nnesha
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    |dw:1443472322681:dw|

  38. Nnesha
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    i have no idea how u got 0 please show ur work so i can understand where u did a mistake .

  39. sbuck98
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    please tell me how I am suppose to solve ot

  40. Nnesha
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    solve for y \[\huge\rm 13+y+y=55\] first combine like terms what are like terms at left side ?

  41. 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.