Question

Самолет пролетел 785 метров за 4 часа: за 1 час 179 километров, за 2 часа 26 километров больше, чем за 1, остальное расстояние поровну за 3 и 4 часы. С какой скоростью летел самолет последние 2 часа?

Answer 1

179 + 26 = 205 За 2ой час самолёт пролетел 205км. 205 + 179 = 384 785 - 384 = 401 Ответ: 401км.

Answer 2

Calculation of the Plane's Speed

To find the speed of the plane during the last 2 hours of its flight, we can analyze the given information.

The plane flew a total distance of 785 meters in 4 hours. We are given that the plane flew 179 kilometers in the first hour, and in the second hour, it flew 26 kilometers more than in the first hour. The remaining distance was flown evenly in the third and fourth hours.

Let's break down the information step by step:

- In the first hour, the plane flew 179 kilometers. - In the second hour, the plane flew 26 kilometers more than in the first hour, which means it flew a total of 179 + 26 = 205 kilometers. - The remaining distance, which is the same for the third and fourth hours, is 785 - (179 + 205) = 401 kilometers.

Now, let's calculate the speed of the plane during the last 2 hours:

- The plane flew a total distance of 401 kilometers in the last 2 hours. - Since the last 2 hours are divided equally between the third and fourth hours, the plane flew 401 / 2 = 200.5 kilometers per hour during the last 2 hours.

Therefore, the speed of the plane during the last 2 hours was approximately 200.5 kilometers per hour.

Please note that the given information does not specify the units for the distance traveled in the question. I assumed it to be kilometers based on the context.