The ratio of the number of mystery books to the number of science fiction books is 4 : 3. The ratio of the number of science fiction books to the number of biographies is 4 : 5. If there are 48 science fiction books, find the total number of books.

Answers

Answer 1

Answer:
   4:3
   Mystery Books:Science Fiction Books(48)

      48 divided by 3 = 16
      16 multiplied by 4= 64
There are 64 Mystery Books.

      4:5
Science Books(48):Biographies

   48 divided by 4 = 12
   12 multiplied by 5 = 60
The are 60 Biographies

Mystery Books 64
Science Fiction books    48
Biographies +60
       ------
   172

I hope that helped!

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A doublenegative is a sentence construction that employs two negative forms.

A double negative sentence is one in which two negative words or constructions cancel each other out, resulting in a positive meaning.

"I didn't see anything," for example, or "I can't find my keys anywhere." Both of these sentences contain two negative words that effectively create a positive meaning ("didn't" and "nothing" in the first sentence, and "can't" and "nowhere" in the second).

These sentences could be phrased more clearly as "I didn't see anything" and "I can't find my keys anywhere."

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For more details regarding sentence, visit:

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it should say:

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