
Concept explainers
1)
To findthe total number of films owned by the library.
1)

Answer to Problem 11E
248
Explanation of Solution
Given information : The number of films based on individual ratings that are in a library.
Formula used :Add up all the films.
Calculation : Add all the movies under different ratings: 30 + 55 +163=248
To write the fraction for the number of films that were rated G

Answer to Problem 11E
Explanation of Solution
Given information : The total number of films (248) and the number of films that are rated G(30)
Formula used : To find out the fraction of films that are rated G divide it by the total number of films and simplify
Calculation :
2)
To simplify the fraction from sub-part 2.
2)

Answer to Problem 11E
Explanation of Solution
Given information : Fraction for the films that are rated as G(30/248).
Formula used : To simplify the fraction30/248 , write the numerator & denominator as product of its prime factors.
Calculation :
Hence final answer is
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