Question

О 9 год ранку Незнайко вирушив із Квіткового міста в Сонячне пішки зі швидкістю 3,6 км\год.О 12 год 30 хв слідом за ним на всюдиході власної конструкції виїхали Гвинтик із Шпунтиком. Всюдихід рухався зі швидкістю 12 км\год і прибув у Сонячне місто одночасно з Незнайком?Скільки часу йшов Незнайко? Яка відстань між містами Квіткове і Сонячне?ПИШИТЕ С ПОЯСНЕНИЕМ)

Answer 1

12,5-9=3,5 (часа) - часов после выхода Незнайки выехал Шпунтик
3,6*3,5=12,6 (км) километров Незнайка успел пройти до выезда Шпунтика
12-3,6=8,4 (км/час) скоростью Шпунтик догоняет Незнайку
12,6/8,4=1,5 (часа) времени Шпунтик догонит Незнайку
3,5+1,5=5 часов  времени шел Незнайка
3,6*5=12*1,5=18 (км),расстояние между Цветочным и Солнечным городом

Ответ: 5 часов; 18 километров.

Answer 2

Calculation of Time and Distance

To calculate the time it took for Neznayko to walk from Kvitkove to Sontachne and the distance between the two cities, we can use the formula:

Time = Distance / Speed

Given the following information:

- Neznayko's walking speed: 3.6 km/h - Gwintik and Shpuntik's speed: 12 km/h

We can calculate the time it took for Neznayko to walk and the distance between the two cities.

Calculation of Neznayko's Walking Time

Using the formula mentioned above, we can calculate the time it took for Neznayko to walk from Kvitkove to Sontachne.

Time = Distance / Speed

Let's assume the distance between Kvitkove and Sontachne is 'd' kilometers.

The time it took for Neznayko to walk is:

Time taken by Neznayko = d / 3.6 hours

Calculation of Distance between Kvitkove and Sontachne

To calculate the distance between Kvitkove and Sontachne, we can use the formula:

Distance = Speed * Time

Since Neznayko and Gwintik with Shpuntik arrived at Sontachne at the same time, we can equate their distances and solve for 'd'.

Distance traveled by Neznayko = Distance traveled by Gwintik and Shpuntik

Speed of Gwintik and Shpuntik = 12 km/h

Time taken by Gwintik and Shpuntik = 12 hours 30 minutes = 12.5 hours

Using the formula mentioned above, we can calculate the distance between Kvitkove and Sontachne.

d / 3.6 = 12.5

Solving for 'd', we find:

d = 3.6 * 12.5

Now, let's calculate the time taken by Neznayko and the distance between Kvitkove and Sontachne.

Calculation

The time taken by Neznayko to walk from Kvitkove to Sontachne is:

Time taken by Neznayko = d / 3.6

Substituting the value of 'd' calculated above:

Time taken by Neznayko = (3.6 * 12.5) / 3.6

Simplifying the expression:

Time taken by Neznayko = 12.5 hours

Therefore, Neznayko took 12.5 hours to walk from Kvitkove to Sontachne.

The distance between Kvitkove and Sontachne is:

Distance = Speed * Time

Substituting the values:

Distance = 3.6 km/h * 12.5 hours

Simplifying the expression:

Distance = 45 km

Therefore, the distance between Kvitkove and Sontachne is 45 kilometers.

Please note that the calculations are based on the given information and assumptions.