Question

Два повара вместе чистили картофель .Один очищал в минуту 2 штуки,а другой 3.Вместе очистили 42 штуки.Скок времени работал каждый если второй проработал на 4 минуты больше первого???

Answer 1

(42-3х4):(3+2)=6мин работал 1 6+4=10 мин работал 2

Answer 2

Problem Statement

Два повара вместе чистили картофель. Один очищал в минуту 2 штуки, а другой 3. Вместе очистили 42 штуки. Сколько времени работал каждый, если второй проработал на 4 минуты больше первого?

Solution

To solve this problem, we can set up a system of equations based on the given information.

Let's assume the first cook worked for x minutes, and the second cook worked for x + 4 minutes.

The first cook can peel 2 potatoes per minute, so in x minutes, they would have peeled 2x potatoes.

The second cook can peel 3 potatoes per minute, so in x + 4 minutes, they would have peeled 3(x + 4) potatoes.

According to the problem, together they peeled 42 potatoes. Therefore, we can set up the equation:

2x + 3(x + 4) = 42

Simplifying the equation:

2x + 3x + 12 = 42 5x + 12 = 42 5x = 42 - 12 5x = 30 x = 30 / 5 x = 6

Therefore, the first cook worked for 6 minutes, and the second cook worked for 6 + 4 = 10 minutes.

Answer: The first cook worked for 6 minutes, and the second cook worked for 10 minutes.