Question

Лифт поднимается с 1 на 3 этаж за 12 секунд. Сколько времени лифт будет подниматься с 1 этажа на 9 этаж?

Answer 1

С первого по третий этаж 2 пролета. Значит, на прохождение одного пролета уходит 12 : 2 = 6 секунд.
С первого по девятый этаж всего 8 пролетов. 
Значит на подъем с первого на девятый этаж уйдет 8 * 6 = 48 секунд.

Answer 2

Calculating Lift Time from 1st to 9th Floor

To calculate the time it takes for the lift to travel from the 1st floor to the 9th floor, we can use the given information that the lift takes 12 seconds to travel from the 1st floor to the 3rd floor.

Step 1: Calculate the time it takes for the lift to travel from the 1st floor to the 9th floor.

To calculate the time it takes for the lift to travel from the 1st floor to the 9th floor, we can use the following formula:

\[ \text{Time} = \text{Time per floor} \times \text{Number of floors} \]

Given that the lift takes 12 seconds to travel from the 1st floor to the 3rd floor, we can calculate the time it takes to travel from the 1st floor to the 9th floor.

Step 2: Calculate the time it takes for the lift to travel from the 1st floor to the 9th floor.

\[ \text{Time} = 12 \, \text{seconds/floor} \times (9 - 1) \, \text{floors} \]

\[ \text{Time} = 12 \, \text{seconds/floor} \times 8 \, \text{floors} \]

\[ \text{Time} = 96 \, \text{seconds} \]

So, the lift will take 96 seconds to travel from the 1st floor to the 9th floor.

Conclusion

The lift will take 96 seconds to travel from the 1st floor to the 9th floor.