The Time Traveler's Schedule
If a time traveler moves forward in time by 15 years, and then goes back 10 years, and finally moves forward 5 years, she finds herself in the year 2030. In what year did she originally start her time travel?
How many pages are there in the book
Sophia is reading a book. On the first day, she reads 1/5 of the pages plus 12 more. 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. After this, she has 1/4 of the book left to read. How many pages are there in the book?
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