Question

Аня прочитала книгу за 2 дня в первый день она прочитала 14% того, что ей осталось прочитать. Сколько страниц прочитала Аня в первый день, если в книге 399 страниц? Ответ

Answer 1

Пусть х стр. - I день, тогда (399-х) стр. - II день 
Составим пропорцию по схеме:
х стр. - это 14%
(399-х) стр. - это 100%
Получим уравнение: 100х = 14(399-х)
100х=5586-14х
100х+14х=5586
114х=5586
х=5586:114
х=49
Значит, 49 стр. прочитано в первый день.
Ответ: 49 стр.

Answer 2

Calculation of Pages Read by Anya on the First Day

To calculate the number of pages read by Anya on the first day, we need to determine what percentage of the book she had left to read after the first day.

Given: - Anya read the book in 2 days. - On the first day, she read 14% of what she had left to read. - The book has a total of 399 pages.

Let's calculate the number of pages Anya read on the first day:

1. Calculate the number of pages Anya had left to read after the first day: - Let x be the number of pages Anya read on the first day. - The remaining pages she had left to read after the first day can be calculated as 399 - x.

2. Calculate 14% of the remaining pages: - 14% of (399 - x) can be calculated as (399 - x) * 0.14.

3. Set up an equation to represent the given information: - According to the problem, Anya read 14% of what she had left to read on the first day. This can be represented as: x = (399 - x) * 0.14.

4. Solve the equation to find the value of x: - Simplifying the equation, we have: x = 0.14 * (399 - x) x = 55.86 - 0.14x 1.14x = 55.86 x ≈ 49.05.

Therefore, Anya read approximately 49 pages on the first day.