Question

Задача в книге рассказ и повесть вместе занимают 300 страниц. Повесть занимает 40% всей книги. Скольско страниц занимает рассказ? Помогите пожалуйста решить

Answer 1

300 стр. - 100%
x           -  40%

x=300*40/100= 120 стр. (занимает повесть)
300-120= 180 стр. (занимает рассказ)

Ответ: 180 страниц занимает рассказ.

Answer 2

300=100%
40%=?
100-40=60%=?
1%=300/100=3
60*3=180стр

Answer 3

Problem Analysis

We are given that a book contains a story and a novel, and together they occupy 300 pages. The novel occupies 40% of the entire book. We need to determine how many pages the story occupies.

Solution

Let's assume the number of pages occupied by the story is x.

According to the given information, the novel occupies 40% of the entire book, which means it occupies 40% of 300 pages. We can calculate this as follows:

Number of pages occupied by the novel = 40% of 300 = 0.4 * 300 = 120 pages.

Since the total number of pages in the book is the sum of the pages occupied by the story and the novel, we can write the equation:

x + 120 = 300.

To find the value of x, we can subtract 120 from both sides of the equation:

x = 300 - 120 = 180 pages.

Therefore, the story occupies 180 pages.

Answer

The story in the book occupies 180 pages.