Question

По плану за неделю нужно было отремонтировать 800 м дороги. За 2 дня бригада выполнела 40% запланированной работы, за 6 дней - 85%, за 7 дней-100%, за 9 дней-130%. Сколько метров дороги было отремонтировано к каждому из указанных сроков?

Answer 1

За два дня сделано :
800м * 0.4 = 320м.
за шесть дней сделано:
800м * 0.85= 680м.
за семь дней сделано :
800м.
за девять дней сделано:
800м * 1.3 = 1040м.

Answer 2

Calculation of Road Repairs Completed

To calculate the number of meters of road that were repaired within each specified timeframe, we can use the information provided:

- In 2 days, the brigade completed 40% of the planned work. - In 6 days, the brigade completed 85% of the planned work. - In 7 days, the brigade completed 100% of the planned work. - In 9 days, the brigade completed 130% of the planned work.

Let's calculate the number of meters of road repaired for each timeframe:

1. In 2 days: - The brigade completed 40% of the planned work. - Therefore, the number of meters of road repaired in 2 days is 40% of 800 meters. - Number of meters repaired in 2 days: 0.4 * 800 = 320 meters.

2. In 6 days: - The brigade completed 85% of the planned work. - Therefore, the number of meters of road repaired in 6 days is 85% of 800 meters. - Number of meters repaired in 6 days: 0.85 * 800 = 680 meters.

3. In 7 days: - The brigade completed 100% of the planned work. - Therefore, the number of meters of road repaired in 7 days is 100% of 800 meters. - Number of meters repaired in 7 days: 1 * 800 = 800 meters.

4. In 9 days: - The brigade completed 130% of the planned work. - Therefore, the number of meters of road repaired in 9 days is 130% of 800 meters. - Number of meters repaired in 9 days: 1.3 * 800 = 1040 meters.

To summarize: - The number of meters of road repaired in 2 days was 320 meters. - The number of meters of road repaired in 6 days was 680 meters. - The number of meters of road repaired in 7 days was 800 meters. - The number of meters of road repaired in 9 days was 1040 meters.

Please note that these calculations are based on the information provided and assume a linear progression of work completion over time.