Answer:
Step-by-step explanation:
Given 30% of the 50,000 books in the library are fiction, you want to know the percentage that are non-fiction, and the number of fiction books.
The total of all books in the library is 100%, so if 30% are fiction, the remaining number are not:
100% -30% = 70% . . . . are non-fiction
The number of fiction books is found by multiplying the total number by the fraction that are fiction:
fiction books = 50,000 × 0.30 = 15,000
There are 15,000 fiction books in the library.
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