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juciystar234

  • one year ago

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?

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  1. JuanitaM
    • one year ago
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    you solve this by finding out what is the percent of books are in the library

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

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

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

  5. juciystar234
    • one year ago
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    55%

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

  7. JuanitaM
    • one year ago
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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?

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

  9. juciystar234
    • one year ago
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    Which is 11?

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

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

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