Question

Daniel has read 10% of a book. He has 45 more pages to finish. How many pages are there in the book?​

Answer 1

50 pages.

The 45 pages left is 90 percent of it.
If the 10% is _ pages then whatever that number is times 9 (bc of 90%) should be 45.
If u do the math 5 pages is 10%. 45+5=50 pages in total

Answer 2

He read 10% of the book, so 90% remains to be read. That 90% consists of 45 pages, so

45=0.90n

n= 45/0.90

n=50

There are 50 pages total in the book

Explanation: