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juciystar234 Group Title

At the library, you find 9 books on a certain topic. The librarian tells you that 55% of the books on this topic have been signed out. How many books does the library have on this topic?

  • one year ago
  • one year ago

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  1. JuanitaM Group Title
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    you solve this by finding out what is the percent of books are in the library

    • one year ago
  2. JuanitaM Group Title
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    if 55 percent gone, than 45% remains (subtract from 100%)

    • one year ago
  3. juciystar234 Group Title
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    Wouldn't it be 5 books?

    • one year ago
  4. JuanitaM Group Title
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    read your question...they have 9 books there so they HAVE to have more in total

    • one year ago
  5. juciystar234 Group Title
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    55%

    • one year ago
  6. JuanitaM Group Title
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    so 9/.45 = 20 they have 20 books total

    • one year ago
  7. JuanitaM Group Title
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    so lets check...55% are checked out so 20* .55 = 11 that would leave 9 in the library (20-11 = 9) did you follow?

    • one year ago
  8. juciystar234 Group Title
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    So 9 - 20?

    • one year ago
  9. juciystar234 Group Title
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    Which is 11?

    • one year ago
  10. juciystar234 Group Title
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    Oh yeah... Ok know i get it!!! Thanks so much! :D

    • one year ago
  11. JuanitaM Group Title
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    You are more than welcome...

    • one year ago
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