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anonymous

  • one year ago

Felicia had $80 when she went to a music store that charges $18 for each CD. She needs to have no less than $20 in her wallet when she leaves the store so she has enough money to buy gas for the ride home. Which shows a possible number of CDs she could buy? Check all that apply. 0 1 2 3 4 5

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  1. anonymous
    • one year ago
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    3

  2. mathstudent55
    • one year ago
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    If she has $80, and she needs to keep at least $20, what is the most she can spend?

  3. MrNood
    • one year ago
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    @kaylabamlucas that is not truly the correct answer

  4. mathstudent55
    • one year ago
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    @kyrabaaker If she has $80 and needs to remain with $20, what is the most she can she spend?

  5. anonymous
    • one year ago
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    60$

  6. anonymous
    • one year ago
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    how 18*3 is 54. she has 80 and needs to save 20 dollars 80-20=60 18*3=54

  7. MrNood
    • one year ago
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    @kaylabamlucas and even if it was (which it STILL isn't) you should not post complete answers here

  8. anonymous
    • one year ago
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    .........

  9. anonymous
    • one year ago
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    @MrNood how si that not the right answer? and why shouldn't i be aloud to post answers

  10. anonymous
    • one year ago
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    really it is just an answer

  11. MrNood
    • one year ago
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    it is not the right answer because you have not read the question properly you should not post answers because the asker does not learn anything from having answers

  12. mathstudent55
    • one year ago
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    Correct. She has $60 to spend. If she buys 0 CDs she has $80 - $0 = $80 left If she buys 1 CD, she has $80 - $18 = $62 left If she buys 2 CDs, she has $80 - 36 = $44 left If she buys 3 CDs she has $80 - $54 = $26 left If she buys 4 CD, she has $80 - $72 = $8 left She cannot possibly buy 5 CDs bec that would be $90 and she only has $80. Of the number of CDs from 0 to 4, which ones leave her with at least $20?

  13. mathstudent55
    • one year ago
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    @kaylabamlucas The problem asks for all possible number of CDs she can buy, not just the most.

  14. MrNood
    • one year ago
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    @kaylabamlucas please see CoC http://openstudy.com/code-of-conduct

  15. anonymous
    • one year ago
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    if she buys 3 shell have 26 left over

  16. anonymous
    • one year ago
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    right 20 for gas and 6 left

  17. anonymous
    • one year ago
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    lol

  18. MrNood
    • one year ago
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    but 3 is not the correct answer to the question

  19. mathstudent55
    • one year ago
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    Yes, but notice the wording of the problem. The problem is not asking for what is the most number of CDs she can buy. The problem is asking for all different numbers of CDs she can buy as long as she still has $20 or more left.

  20. anonymous
    • one year ago
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    3 is the most CD's she can buy and still have 20 dollars left for gas

  21. anonymous
    • one year ago
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    ohhhh

  22. anonymous
    • one year ago
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    so 3 and 2 and 0

  23. anonymous
    • one year ago
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    ??

  24. mathstudent55
    • one year ago
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    If she buys 0 CDs, she will have all $80 left. This is a valid answer. If she buys 1 CD, she will have $62 left. This is also a valid answer. The same goes for buying 2 and 3 CDs.

  25. anonymous
    • one year ago
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    she can buy up to 3 so 0,1.2.3

  26. mathstudent55
    • one year ago
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    You need to pick all valid answers from the choices, not just one of them.

  27. anonymous
    • one year ago
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    okay thank you

  28. anonymous
    • one year ago
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    welcome

  29. mathstudent55
    • one year ago
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    You're welcome.

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