Andy read a book in 3 days. On the 1st day, he read one third of the pages of the book and 2 more pages. On the 2nd day, he read one half of the remaining pages and 4 more pages. He noticed that 36 pages were left. How many pages does the book have in total?
Self-study source-issue note: keep every printed term, including 6, and continue doubling from 8 through 1024. Under this explicit interpretation none of the printed choices is correct. Enter the numerical sum instead of a choice letter.
Teacher gives some pencils to students. If everyone gets 3 pencils, 38 pencils will be left. If everyone gets 7 pencils, 10 pencils will be left. How many pencils does teacher have in total?
It is known that the area of a rectangle is 72 cm². The length and the width of this rectangle are natural numbers in cm. Find the minimum value of the perimeter of this rectangle.
Linda puts 8 identical rectangular papers next to each other to form a big square. The perimeter of a rectangle is 72 cm. Find the perimeter of a big square in cm.