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Daniel has read ​10% of a book. He has 18 more pages to finish. How many pages are there in the​ book?

Daniel has read ​10% of a book. He has 18 more pages to finish. How many pages are there in the​ book?
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3 votes
Daniel has read ​10% of a book. He has 18 more pages to finish. How many pages are there in the​ book?

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User YASH THUMAR
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8.0k points

1 Answer

2 votes
If he has read 10%, 90% (18 pages) remain.
Let P represent the total number of pages in the book...
P x .90 = 18
To solve for P, divide both sides by .90
P = 18 / .90
P = 20
The book has 20 pages.
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User Offirmo
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