On a certain planet , the number of days in a week are the same as the number of weeks in a month, and this is the same as the number of weeks in a month in a year. if there are 1000 days in a year, how many days are in one week?

Rachel reads 1/5 of the pages of a book plus 12 pages on the first day. on the second day, she reads 1/4 of the remaining pages plus 15 pages. on the third day, she reads 1/3 of the remaining pages plus 18 pages. on the fourth day, she reads the remaining 70 pages. how many total pages are in the book?

For one history test, keith had to answer 40 questions. of these 40 questions, keith answered 28 of them correctly. what percent did keith get on his history test? round your answer to the nearest tenth if necessary

Need on this geometry question. explain how you did it.