Question

В первый день ученик прочитал 28 страниц, во второй день в 1,5 раза больше,чем в первый.сколько страниц в книге, еслиза эти два дня ученик прочитал 5/7числа страниц книги? помогите пожалуйста!!!!!!!!!!!!!!!

Answer 1

28*1,5=42 страницы за второй день
Всего за 2 дня 28+42= 70 страниц
70*7/5= 98 страниц

Answer 2

28*1,5=42 стр- прочитал во второй день
42+28=70 стр- прочитал за два дня
70/5*7=98 стр- всего
ответ:98 страниц

Answer 3

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

1. On the first day, the student read 28 pages. 2. On the second day, the student read 1.5 times more than on the first day. This means the student read 1.5 * 28 = 42 pages on the second day. 3. In total, the student read 28 + 42 = 70 pages in these two days. 4. The student read 5/7 of the total number of pages in the book. Let's represent the total number of pages in the book as "x." 5. Therefore, we can set up the equation (5/7)x = 70 to find the value of x.

Now, let's solve the equation:

(5/7)x = 70

To isolate x, we can multiply both sides of the equation by the reciprocal of 5/7, which is 7/5:

(7/5)(5/7)x = (7/5)70

x = (7/5)70

x = 98

Therefore, the total number of pages in the book is 98.

Please let me know if you need any further assistance!