If the remaining 75% of the pages of a book were read, it meant that 75% of the pages had not been read. Then, the number of pages that were read would be 25%+80% = 3/4. The number of pages left is a fraction of the number of pages seen. It can be calculated in a similar way: the number of pages left is 1 -the number of pages seen = the number of pages left-the number of pages seen = 75% x the number of pages left divided by the total number of pages. Therefore, the remaining pages were 75% of the total number of pages. The answer was that the remaining pages were 75% of the number of pages read divided by the total number of pages.
Assuming that there were still x pages left, the number of pages that had been read would be 420 - x. According to the question, the number of pages that have been read is the remaining three-quarters, so the following equation can be written: 420 - x = 3/4 (420 - x) To simplify it: x = 396 Therefore, there were still 396 pages left.
If the number of pages seen is x, the remaining pages are 200-x. According to the meaning of the question, the equation can be listed: x = 60% (200-x) To simplify it: x = 60% × 200 - 60% × x To solve the equation: 120 - 30% × x = 200 30% × x = 80 x = 240 Therefore, the number of pages he had seen was 240.
Assuming that the book has a total of n pages, then the ones that Ding has not read are n-300 pages. According to the question, Ding read 300 pages more than he did not. n - (n-300) = 300 To simplify it: 2n - 300 = 300 2n = 300 + 300 2n = 600 n = 300 Therefore, the book had a total of 300 pages. Little Ding had already read 300 pages, but he hadn't read 300-300=0 pages. Hence, there were still 0 pages left.
There were 170 pages in a book. He had already read 90 pages, so there were still 80 pages left.
The approximate number of words in a book of 16 pages and 663 pages can be estimated by the following: The size of the 16-open book was about 265 cm x 297 cm, and the paper size of each page was about 25 cm x 33 cm. Therefore, the size of the 663 pages was about 175 cm x 211 cm. Since a book usually had several apexes, index, references, etc., this number would be inaccurate. In addition, the content and word count of a book would also be affected by factors such as the author and the publishing house. Combining the above factors, he could roughly estimate that a 16-page book with 663 pages had about 16 words. This number is for reference only. The actual number of words may vary.
The storybook has a total of 100 pages. The number of pages that have been read is four times that of the number of pages that have not been read. The known number of pages seen = the number of pages seen + the number of pages left, which was 4 unseen pages = the number of pages seen + the number of pages left. Transferring the items would yield 5 pages remaining = 4 pages viewed, which meant that the remaining pages = 4 pages viewed divided by 5. Since the story book has a total of 100 pages, 4 pages viewed/5 = 8 pages remaining. Thus, there were still eight pages left.
A book has 200 pages, and if you want to use numbers to number the pages, you'll usually start with 1 and increment each page by one number. Therefore, the page number could be prefixed with 1, 2, or 3199, and the page number could be postfixed with 200. For example, if the page number of a book is "123456","1" represents the first page,"2" represents the second page, and so on,"3" represents the third page,"4" represents the fourth page,"5" represents the fifth page,"6" represents the sixth page,"7" represents the seventh page,"8" represents the eighth page,"9" represents the ninth page,"10" represents the tenth page,"11" represents the eleventh page,"12" represents the twelfth page,"13" represents the thirteenth page,"14" represents the fourteenth page," 15"" 16 " represents the 15th page," 17 " represents the 17th page," 18 " represents the 18th page," 19 " represents the 19th page," 20 " represents the 20th page, and add the page number with the " 0 ".
Xiaowen had read two-fifths of the book, which meant that Xiaowen had read 2/5 * 170 = 48 pages. Therefore, there were still 170 - 48 = 122 pages that he had not read.
Little Min had already read 30 pages and there were still 50 pages left.
If a book has been read three-fifths of the way and there are 15 pages left, then the number of pages read is the number of pages not read: Number of pages seen/number of pages not seen = 3/5/4/5 = 3/4 Therefore, the number of pages that had been read was four-thirds of the number of pages that had not been read.