Question

Библиотеке нужно переплести 4500 книг. Одна мастерская может переплести за 30 дней,другая за 45 дней. За сколько дней могут выполнить обе эти мастерские,работая одновременно

Answer 1

1)4500:30=150(к)
2)4500:45=100(к)

Answer 2

Problem Analysis

We have two workshops that can bind books at different rates. One workshop can bind 4500 books in 30 days, while the other workshop can bind the same number of books in 45 days. We need to determine how many days it will take for both workshops to complete the binding process if they work simultaneously.

Solution

To solve this problem, we can use the concept of work rates. The work rate is defined as the amount of work done per