Xiao Ming borrowed a 500-page novel and read 280 pages in the first 5 days. How many pages did he read on average every day?
Xiao Ming had read 280 pages in the past 5 days, so he had already read 280 x 5 = 1400 pages. The book has 500 pages, so the remaining pages are 500 - 1400 = -700 pages. This means that Xiaoming has to reread the 700 pages of the book in the next 7 days, but he can choose to start reading on any day. If Xiao Ming chose to start reading from the sixth day, then the number of pages he needed to read every day was 700/6 = 100 pages. Therefore, Xiao Ming needed to read 100 pages on average every day.
Xiao Ming read a book. He read 72 pages in the first 4 days and 29 pages a day for the next 6 days. How many pages did he read on average every day?
If Xiaoming reads 72 pages in the first 4 days, then Xiaoming's total page count in the first 4 days is 72 pages. Reading 29 pages every day for the next 6 days would mean that the total number of pages for the next 6 days would be 29 pages x 6 days = 171 pages. Therefore, Little Ming's total page count in the last six days was 171 pages. Little Ming read 171 pages per day for the next 6 days, 6 days = 27 pages. Therefore, Xiao Ming read an average of 27 pages a day.
Little Ming read a book. He read 15 pages in the first 4 days and 6 pages a day in the next 5 days. How many pages did he read on average every day?
Xiao Ming read a book for the first 4 days and read 15 pages, then read 6 pages every day for 5 days. We can use the following formula to calculate the average number of pages seen per day: Average number of pages read per day = total number of pages/days Substituting the total number of pages and the number of days into the formula, we get: Average number of pages read per day = 15 pages/4 days = 3 pages/day Therefore, Xiao Ming read an average of three pages a day.
Xiao Dong read a storybook. He read 68 pages in the first 4 days and 72 pages in the next 3 days. How many pages did Xiao Dong read on average every day? The correct calculation was () A…
Xiao Dong read 68 pages in the first 4 days and 72 pages in the next 3 days, so the total number of pages in the book was 68+72+4*10=190 pages. How many pages does Xiao Dong read on average every day? How many days did Xiao Dong watch it? (Note: You need to add the first 4 days and the last 3 days to get the total number of days.) Xiao Dong reads an average number of pages per day = total pages/total days =190 pages/14 days =14 pages/day Therefore, Xiao Dong read an average of 14 pages a day. Therefore, he chose option A.
Xiao Dong read a storybook. He read 68 pages in the first 4 days and 72 pages in the next 3 days. How many pages did Xiao Dong read on average every day? The correct calculation was () A…
Xiao Dong read a storybook for a total of 68 pages in the first 4 days and 72 pages in the next 3 days, so the total number of pages read was:68+72+4*3=191 pages. How many pages does Xiao Dong read on average every day? It took Xiao Dong seven days to finish reading the book, so the average number of pages Xiao Dong read every day was 191/7=25 pages. Therefore, the correct calculation was page 25. The statement on page 20 of Item A was wrong. Page 17 of Item B and page 18 of Item C were all correct. Item D, page 26, is incorrect.
Xiao Ming read a 480-page storybook and read page A every day for 12 days. How many pages are left?
When Xiao Ming read page A of the storybook every day for 12 days, he had read a total of 12 × page A. Therefore, when Xiaoming reads a 480-page storybook, he still has 480 - 12 × a pages left. To calculate the remaining pages, he needed to know how many pages Xiao Ming read in the end and how many pages he read every day. If we assume that the last page that Xiao Ming read was 480 pages and he reads page a every day, then we can write the following equation: 480 - 12 × a = Remaining pages By solving this equation, we can get: Remaining pages = 480 - 12 × a = 480 - 12a Therefore, after reading page A for 12 days, Xiao Ming still had 480 - 12A pages left.
Chen Ming read a storybook and read an average of 11 pages a day for the first three days. He read an average of 18 pages a day for the next four days. How many pages did Chen Ming read on average in the past seven days?
Suppose the book has a total of x pages, and Chen Ming has read a total of y pages in these seven days: - Chen Ming read 11*3=33 pages in the first three days - In the next three days, Chen Ming read a total of 18*3=54 pages - In seven days, Chen Ming read a total of y*7=497 pages Therefore, Chen Ming read an average of 497/7=74 pages a day in the past seven days.
Xiao Dong read a storybook. He read 68 pages in the first four days and 72 pages in the next three days. How many pages does Xiao Dong read on average every day?
Assuming that the total number of pages Xiao Dong read every day was constant, then the average number of pages he read every day could be calculated by calculating the total number of pages in the first 4 days and the last 3 days. The total number of pages read in the first four days was 68, so Xiao Dong had read a total of 68 pages in these four days. The total number of pages he read in the next three days was 72 pages, so Xiao Dong read a total of 72 pages in these three days. Therefore, Xiao Dong had read a total of 68 + 72 + 10 + 2 = 190 pages in these 8 days. Divide the total number of pages by the total number of pages you read every day to get the answer to how many pages Xiao Dong reads on average every day: 190/8 = 225 pages The answer was 225 pages because Xiao Dong read an average of 225 pages a day.
In the first three days, he read 43 pages. In the next four days, he read 12 pages a day. How many pages did Le read on average?
Xiao Le read an average of 18 pages a day.
A book has 95 pages. Xiao Ming spent 4 days to read 32 pages, and the rest had to be finished in a week. How many pages does he read on average every day?
Xiao Ming spent 4 days to finish reading 32 pages, so the number of pages he read every day was: 32 pages/4 days = 8 pages/day Since the remaining book had 95 pages, he had to finish it within a week. 95 pages/8 pages/day = 12 days Therefore, Xiao Ming needed to read 12 pages a day to finish the remaining 95 pages in a week.
Wang Qiang read a book. For the first four days, he read eight pages a day, and for the next three days, he read a total of 17 pages. How many pages did he read on average every day?
Wang Qiang read a book for the first four days, eight pages a day, and then a total of 17 pages for the next three days. We can split this situation into two parts for analysis: Reading eight pages a day for the first four days meant that Wang Qiang had already read $4/times 8 = 32$pages in the first four days. Reading a total of 17 pages in the last 3 days meant that Wang Qiang had read another $3/17 = 54$page in the last 3 days. Therefore, Wang Qiang read a total of $32+54=86$pages. Next, we need to calculate how many pages he reads on average every day. Did he read all the books in the first four days and the last three days together? If that was the case, then the average number of pages he read every day was $86/4+17/3=265+5=315$pages. If not, then the average number of pages he read every day was $86/4-17/3=26-5=21$pages. Therefore, Wang Qiang read an average of 21 pages a day.