Question

Один трактор перевозит 192 бревна за 16 рейсов, другой-162 бревна за 18 рейсов. За сколько рейсов,работая вместе,оба трактора могут перевезти 294 бревна?

Answer 1

1) 192: 16=12 бревен за 1 рейс перевозит 1 трактор 2) 162: 18=9 бревен за 1 рейс перевозит 2трактор 3) 9+12=21бревен перевозят оба трактора вместе 4) 294:21=14 рейсов потребуется Ответ : 14 рейсов

Answer 2

Problem Analysis

We have two tractors that can transport a certain number of logs in a given number of trips. We need to determine how many trips both tractors need to make together in order to transport a specific number of logs.

Given Information

- Tractor 1 transports 192 logs in 16 trips. - Tractor 2 transports 162 logs in 18 trips. - We need to find the number of trips required for both tractors to transport 294 logs together.

Solution

To find the number of trips required for both tractors to transport 294 logs together, we can calculate the average number of logs transported per trip for each tractor and then use that information to determine the number of trips required.

Let's calculate the average number of logs transported per trip for each tractor:

- Tractor 1: 192 logs / 16 trips = 12 logs per trip. - Tractor 2: 162 logs / 18 trips = 9 logs per trip.

Now, let's calculate the number of trips required for both tractors to transport 294 logs together:

- Total logs required: 294 logs. - Average logs per trip for both tractors: (12 logs per trip + 9 logs per trip) / 2 = 10.5 logs per trip.

To transport 294 logs at an average rate of 10.5 logs per trip, we can divide the total number of logs by the average logs per trip:

- Number of trips required: 294 logs / 10.5 logs per trip = 28 trips.

Therefore, both tractors working together can transport 294 logs in 28 trips.

Answer

Both tractors, working together, can transport 294 logs in 28 trips.