Question

Ира за 1 день прочитала 21 страницу. Во второй в 2 раза больше, чем в 1. А в 3 день на 15 страниц меньше, чем во второй день. Составь схему задачи.

Answer 1

1)21*2=42 2)42-15=27 3это решение а схему щас пошлю

Answer 2

Вот такая схема будет

Answer 3

Problem Statement:

Ира за 1 день прочитала 21 страницу. Во второй день она прочитала в 2 раза больше, чем в первый день. А в третий день она прочитала на 15 страниц меньше, чем во второй день. Составьте схему задачи.

Solution:

To solve this problem, let's break it down step by step:

1. Let's assume that the number of pages Ira read on the first day is x. 2. According to the problem, Ira read 21 pages on the first day. - Therefore, x = 21. 3. On the second day, Ira read twice as many pages as on the first day. - So, the number of pages read on the second day is 2x. 4. On the third day, Ira read 15 pages less than on the second day. - So, the number of pages read on the third day is 2x - 15.

Summary:

Based on the given information, we can summarize the number of pages Ira read on each day as follows:

- First day: x = 21 pages - Second day: 2x = 2 * 21 = 42 pages - Third day: 2x - 15 = 2 * 21 - 15 = 27 pages

Therefore, Ira read 21 pages on the first day, 42 pages on the second day, and 27 pages on the third day.