Question

Машинистка напечатала 48 страниц текста за 8 часов работы. Сколько страниц она может напечатать за 7 часов, если будет печатать за 1 час на 2 страницы больше? Помогите пожалуиста!!

Answer 1

Скорость печатания - 48/8=6 страниц в час;
при скорости на 2 стр/час больше (6+2=8 стр/час) она напечатает за 7 часов - 7*8=56 страниц.

Answer 2

Problem Analysis

We are given that a typist can type 48 pages of text in 8 hours. We need to determine how many pages she can type in 7 hours if she types 2 pages more per hour.

Solution

To solve this problem, we can use the concept of rates. Let's assume that the typist types at a rate of x pages per hour.

According to the given information, the typist can type 48 pages in 8 hours. This can be expressed as the equation:

8x = 48 We are also given that if the typist types for 1 hour, she can type 2 pages more than her usual rate. This can be expressed as the equation:

x + 2 = (x + 2) pages per hour

Now, we need to find the number of pages the typist can type in 7 hours. We can use the equation from the first step to find the value of x and then calculate the number of pages typed in 7 hours.

Calculation

Let's solve the equation 8x = 48 to find the value of x:

8x = 48

Dividing both sides by 8:

x = 6

So, the typist types at a rate of 6 pages per hour.

Now, let's calculate the number of pages the typist can type in 7 hours. We know that for each hour, she types 2 pages more than her usual rate of 6 pages per hour. So, for 7 hours, she will type:

7 * (6 + 2) = 7 * 8 = 56 pages

Therefore, the typist can type 56 pages in 7 hours if she types 2 pages more per hour.

Answer

The typist can type 56 pages in 7 hours if she types 2 pages more per hour.

Note: The sources provided do not contain specific information related to this problem. The solution is derived using mathematical reasoning and calculations.