Question

ДАЮ 50 БАЛЛОВ Из двух городов, расстояние между которыми 35, 35 км, одновременно в противоположных направлениях, удаляясь друг от друга, отправились два мотоциклиста. Скорость первого мотоциклиста равна 84, 7 км/ч, а скорость второго мотоциклиста в 1, 4 раза меньше. Найди расстояние, которое будет между мотоциклистами через 1, 6 часа. ​

Answer 1

Ответ:

288,2 км

Пошаговое объяснение:

1) Найдём скорость второго мотоциклиста.

84,7 : 1,4 = 60,5 (км/ч) - скорость второго мотоциклиста

2) Найдём расстояние между мотоциклистами (можно выражением)

(84,7 + 60,5 + 35) • 1,6 = 288,32 (км) - между мотоциклистами

Ответ: 288,32 км.

Answer 2

Problem Analysis

We have two motorcyclists starting from two cities that are 35 km apart. They are moving in opposite directions, with one motorcyclist traveling at a speed of 84.7 km/h and the other motorcyclist traveling at a speed 1.4 times slower. We need to find the distance between the motorcyclists after 1.6 hours.

Solution

To find the distance between the motorcyclists after 1.6 hours, we need to calculate the distance each motorcyclist has traveled and then find the difference between their distances.

Let's calculate the distance traveled by each motorcyclist:

Motorcyclist 1: - Speed: 84.7 km/h - Time: 1.6 hours - Distance = Speed * Time = 84.7 km/h * 1.6 hours = 135.52 km

Motorcyclist 2: - Speed: 1.4 times slower than Motorcyclist 1 - Speed = 84.7 km/h / 1.4 = 60.5 km/h - Time: 1.6 hours - Distance = Speed * Time = 60.5 km/h * 1.6 hours = 96.8 km

Now, let's find the distance between the motorcyclists by subtracting the distance traveled by Motorcyclist 2 from the distance traveled by Motorcyclist 1:

Distance between motorcyclists = Distance of Motorcyclist 1 - Distance of Motorcyclist 2 = 135.52 km - 96.8 km = 38.72 km

Therefore, the distance between the motorcyclists after 1.6 hours is 38.72 km.

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