Question

Беха и гелик едут на сходку. Скорость бехи 90км/час, а скорость гелика в 1 целую 2 третиих раза меньше. Через сколько они приедут на сходку, если сейчас между ними 168км?​

Answer 1

Ответ: 1час 10минут

Пошаговое объяснение:

90 : 1целую 2/3 = 90 : 5/3 = 90 * 3/5 = 18 * 3/1 = 18 * 3 = 54 км/ч - скорость галька

54 + 90 = 144 км/ч - суммарная скорость бехи и гелика

168 : 144 = 1целая 24/144 = 1целая 1/6 часа - время через которое гелик и беха приедут на сходку

1/6 * 60 = 1/1 * 10 = 10минут

Ответ: беха и гелик приедут на сходку через 1 час и 10 минут

Answer 2

To calculate the time it will take for the BMW (Beemer) and the G-Wagon (Gelik) to meet, we need to determine the relative speed between them.

Given that the BMW is traveling at a speed of 90 km/h and the G-Wagon's speed is 1 2/3 times slower, we can calculate the G-Wagon's speed as follows:

1 2/3 times slower than 90 km/h is equal to (1 2/3) * 90 km/h.

To simplify the calculation, we can convert the mixed number 1 2/3 to an improper fraction.

1 2/3 is equal to (3 * 1 + 2) / 3 = 5/3.

Therefore, the G-Wagon's speed is (5/3) * 90 km/h.

Now, let's calculate the time it will take for them to meet. We can use the formula:

Time = Distance / Speed.

Given that the distance between them is 168 km, we can calculate the time it will take for them to meet as follows:

For the BMW: Time for BMW = Distance / Speed = 168 km / 90 km/h.

For the G-Wagon: Time for G-Wagon = Distance / Speed = 168 km / ((5/3) * 90 km/h).

Now, let's calculate the actual values:

Time for BMW = 168 km / 90 km/h = 1.8667 hours.

Time for G-Wagon = 168 km / ((5/3) * 90 km/h) = 2.8 hours.

Therefore, it will take approximately 1.8667 hours for the BMW and 2.8 hours for the G-Wagon to meet at the rendezvous point, given the current distance of 168 km between them.

Please note that these calculations assume constant speeds and no external factors that may affect the travel time.