Differentiate between:1.Crest and trough.2. Infrasound and ultrasound.
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Sophia has not even completed 1 book. She has managed to complete 83% of the book.
<u>Explanation:</u>
Given:
Time taken to read one book = 1/5
Total weeks for which sophia read = 1/6
Number of books, z = ?
Total weeks = z X time taken to read one book
Therefore, sophia has not even completed 1 book. She has managed to complete 83% of the book.