How to create a condition for search and pagination?

Question

Mathematics

Good afternoon. There is such a task, let's say there are 50 products and when requested, the search engine displays 25 products, the page has a limit of output of 5 products per page. What is the best way to come up with a condition so that for these 25 products it is certain that 5 pages are needed.

Answer 1

spoiler

Вот серьезно - такие вопросы это вообще законно? Это даже гуглить не надо, а в школу сходить в первый класс