Question

А)Некоторое расстояние первый поезд прошел за 3 часа со скоростью 80 км/ч. За сколько часов второй поезд пройдет то же расстояние со скоростью 60 км/ч?

Answer 1

3 * 80=  240 км проехал поезд за 3 часа
240 : 60 = 4 часа   пройдет то же расстояние второй поезд

Answer 2

Solving for Time Taken by the Second Train

To find out how long the second train will take to cover the same distance at a speed of 60 km/h, we can use the formula:

time = distance / speed

Given that the first train covered the distance in 3 hours at a speed of 80 km/h, we can calculate the distance covered by the first train using the formula:

distance = speed * time

Substituting the values: - Distance covered by the first train = 80 km/h * 3 hours = 240 km

Now, we can use the distance covered by the first train to calculate the time the second train will take at a speed of 60 km/h.

Calculating Time Taken by the Second Train

Using the formula: time = distance / speed

Substituting the values: - Time taken by the second train = 240 km / 60 km/h = 4 hours

Therefore, the second train will take 4 hours to cover the same distance at a speed of 60 km/h.

The calculation is based on the formula for time, distance, and speed, and the values provided in the question.