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anonymous

  • 5 years ago

a customer buys 4 hot dogs and 5 bags of potato chips for $12 another customer buys 3 hot dog and 4 chips for $9.25. find the cost of each item ,

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  1. anonymous
    • 5 years ago
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    let x=number of hot dogs, y=number of bags of potato chips. 4x+5y=12, 3x+4y=9.25. solve these equations simultaneously :)

  2. anonymous
    • 5 years ago
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    lets say one hot dog costs x dollars lets say one bag of potato chips costs y dollars. 4 hot dogs cost 4x dollars. 5 bags of chips cost 5y dollars. 4 hot dogs and 5 bags of chips together cost 12 dollars. so, 4x+5y = 12. similarly get the other part in the form of an equation too and solve it for x and y

  3. radar
    • 5 years ago
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    better assignment of the variables. Letting x = cost, rather than number of dogs and chips. That is already known.

  4. anonymous
    • 5 years ago
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    the answer was given each hot dog cause $1.75 and each bag of chips cause $1 each i want to know ow there got this answer

  5. anonymous
    • 5 years ago
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    how they got that answer

  6. anonymous
    • 5 years ago
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    It has already been explained to you. do you know how to solve two simultaneous equations?

  7. anonymous
    • 5 years ago
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    my teacher want us to explain how he got that answer

  8. anonymous
    • 5 years ago
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    no i dont

  9. anonymous
    • 5 years ago
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    so you dont know how to solve x+y = 5 x-y = 1 for x and y?

  10. anonymous
    • 5 years ago
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    i do,

  11. anonymous
    • 5 years ago
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    then what is the problem? those are simultaneous equations.

  12. anonymous
    • 5 years ago
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    i just want to know how he got $1.75 for the hot dog and $1 for the chips

  13. anonymous
    • 5 years ago
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    refer to what I said earlier. lets say one hot dog costs x dollars. how much will 4 hot dogs cost?

  14. anonymous
    • 5 years ago
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    4

  15. anonymous
    • 5 years ago
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    please help me dont get frustrated with me, i

  16. anonymous
    • 5 years ago
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    4 dollars

  17. anonymous
    • 5 years ago
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    say one hot dog costs 2 dollars. how much will 4 hot dogs cost?

  18. anonymous
    • 5 years ago
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    times 2 by 4

  19. anonymous
    • 5 years ago
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    ok good. so if one hot dog costs x dollars, how much will 4 hot dogs cost?

  20. anonymous
    • 5 years ago
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    a $ 1

  21. anonymous
    • 5 years ago
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    what?

  22. anonymous
    • 5 years ago
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    sorry

  23. anonymous
    • 5 years ago
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    i am so confuse

  24. anonymous
    • 5 years ago
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    if u can please explain to me then we find the solution later i will be so happy, is soon due

  25. anonymous
    • 5 years ago
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    answer the question. you dont know how much each hot dog costs. So lets say we assign the variable x to the cost of each hot dog. so one hot dog costs x amount of dollars. suppose you went to the store and purchased one hot dog for x amount of dollars, how much would you have to pay to buy 2 hot dogs?

  26. anonymous
    • 5 years ago
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    x dollar

  27. anonymous
    • 5 years ago
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    are you sure? that is the cost of one hot dog. what is the cost of 2 hot dogs?

  28. anonymous
    • 5 years ago
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    you gave x dollars to purchase one hot dog. you have to give another x dollars to purchase one more hot dog. Is that correct or not?

  29. anonymous
    • 5 years ago
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    is correct

  30. anonymous
    • 5 years ago
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    okay so to purchase 2 hot dogs, you gave x dollars + another x dollars. so that is 2 times x dollars. Is that correct or not?

  31. anonymous
    • 5 years ago
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    correct

  32. anonymous
    • 5 years ago
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    so how many x dollars do you need to give to purchase 4 hot dogs?

  33. anonymous
    • 5 years ago
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    2x

  34. anonymous
    • 5 years ago
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    oh sorry 4X

  35. anonymous
    • 5 years ago
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    okay good. so to purchase 4 hot dogs you have to give 4x dollars. similarly, say one bag of chips costs y dollars. how much does it cost to purchase 5 bags of chips?

  36. anonymous
    • 5 years ago
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    5dollars

  37. anonymous
    • 5 years ago
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    can you please help me with another problem

  38. anonymous
    • 5 years ago
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    didn't I just explain this to you? you purchase one bag of chips for y dollars. you have to give another y dollars to purchase one more bag of chips. so how many dollars do you have to give to purchase 5 bags?

  39. anonymous
    • 5 years ago
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    thanks for this one, i have another i need help

  40. anonymous
    • 5 years ago
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    I have a good piece of advice for you. Do not take math as a major course.

  41. anonymous
    • 5 years ago
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    a university theater sold 556 tickets for a play, tickets cost $22 per adult tickets and $ 12 for senior citizen ticket, if the total receipt was 8492, how many senior citizen ticket were sold

  42. anonymous
    • 5 years ago
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    i know rite, i am just talking this because i need it to graduate, i dont like math, i am more a science student

  43. anonymous
    • 5 years ago
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    I hope you are not a physics student then :)

  44. anonymous
    • 5 years ago
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    let say there are a certain number of adult tickets and a certain number of senior citizen tickets. let us say there are A number of adult tickets and S number of senior citizen tickets.

  45. anonymous
    • 5 years ago
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    total number of tickets is 556. so A+S =556. each adult ticket costs 22 dollars. so A number of adult tickets cost 22 times A amount of dollars. each senior citizen ticket costs 12 dollars. so S number of senior citizen tickets cost 12 times S amount of dollars. so, 22A+12S =8492. so you have two equations. A+S =556 22A +12S =8492. solve to get S and A

  46. anonymous
    • 5 years ago
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    i am a nursing student

  47. anonymous
    • 5 years ago
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    so you time 22*12?

  48. anonymous
    • 5 years ago
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    why would you do that?

  49. anonymous
    • 5 years ago
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    i was trying to use the multiplication sign

  50. anonymous
    • 5 years ago
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    I thought you knew how to solve simultaneous equations

  51. anonymous
    • 5 years ago
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    oh.. okay. there is a button for equations here: | | v

  52. anonymous
    • 5 years ago
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    because you said 22A PLUS 12S = 8492

  53. anonymous
    • 5 years ago
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    yes, thats right. but why are you multiplying 12 and 22?

  54. anonymous
    • 5 years ago
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    http://www.youtube.com/watch?v=XM7Q4Oj5OTc go through that video and all the other videos in the related videos section. there are many examples

  55. anonymous
    • 5 years ago
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    ok thanks

  56. anonymous
    • 5 years ago
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    so when we add A+S IT WILL BE 34, ARE WE DIVIDING IT WITH ANYTHING

  57. anonymous
    • 5 years ago
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    why is A+S = 34? don't you remember what we assigned the variable A to? A is the NUMBER of adult tickets, NOT the price of each adult ticket. we already know the price is 22.

  58. anonymous
    • 5 years ago
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    READ what I posted PROPERLY instead of asking these silly questions. This is starting to get frustrating for me. I have been patiently explaining all this to you.

  59. anonymous
    • 5 years ago
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    SORRY AND THANKS FOR UR HELP U HAVE BEEN REALLY PATIANT WITH ME TODAY I REALLY APPRACIATE IT

  60. anonymous
    • 5 years ago
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    you are welcome. :) think about these things logically. put yourself in the position of the problem and see what you would do in that situation. what if you were the manager of the theater and you had 556 tickets? what if you made 8492 dollars. How many adult tickets did you sell at 22 dollars per ticket and so on.

  61. anonymous
    • 5 years ago
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    THIS IS WHAT I CAME OUT WITH LET ME SAY X FOR ADULT Y FOR S.CITIZEN

  62. anonymous
    • 5 years ago
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    X+Y= 556 RIGHT

  63. anonymous
    • 5 years ago
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    I saw radar already gave you the answer. save yourself the trouble.

  64. anonymous
    • 5 years ago
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    I JUST WANTED TO KNOW IF I AM RIGHT RIGHT

  65. anonymous
    • 5 years ago
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    okay, post what you got then

  66. anonymous
    • 5 years ago
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    I GOT 372

  67. anonymous
    • 5 years ago
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    372 for what?

  68. anonymous
    • 5 years ago
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    372 ADULT TICKETS SOLD

  69. anonymous
    • 5 years ago
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    372 is wrong. it should be 374

  70. anonymous
    • 5 years ago
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    OH ARE U SERIOUS

  71. anonymous
    • 5 years ago
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    NOW I KNOW WHERE I MADE THE MISTAKE

  72. anonymous
    • 5 years ago
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    THANKS FOR PIONTING THAT OUT FOR ME

  73. anonymous
    • 5 years ago
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    no problem. http://www.analyzemath.com/Calculators/Calculator_syst_eq.html

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