Question

При потреблении до 140 л воды в сутки на одного человека стоимость 1 м3 составит 885 р ,свыше 140 л в сутки 1 м3 будет стоить 2580 р. Какую сумму заплатит семья из четырех человек ,если расход воды за месяц(30 дней) составит 19 м3. ПОМОГИТЕ ,ПОЖАЛУЙСТА!

Answer 1

140*4*30=16800(л)=16,8(м³) - норма расхода воды за 30дней для семьи из 4 человек
19м³>16,8м³, (то есть расход воды больше нормы (поэтому больше цена - 2580руб/м³)
2580*19=49 020(руб)-такую сумму заплатит семья из четырех человек ,если расход воды за месяц(30 дней) составит 19 м3.

Answer 2

Calculation of Water Consumption Cost

To calculate the cost of water consumption for a family of four, we need to consider the two different rates based on the daily water consumption.

According to the information provided, the cost of 1 cubic meter (m3) of water is 885 rubles for daily consumption up to 140 liters and 2580 rubles for daily consumption exceeding 140 liters.

The monthly water consumption for the family is given as 19 m3.

To calculate the cost, we need to determine the daily water consumption for the family and then multiply it by the appropriate rate.

Calculation Steps:

1. Determine the daily water consumption for the family: - The monthly water consumption is given as 19 m3. - Divide the monthly consumption by the number of days in a month (30) to get the daily consumption. - Daily consumption = 19 m3 / 30 days = 0.6333 m3/day.

2. Calculate the cost for daily consumption up to 140 liters: - The cost for 1 m3 of water up to 140 liters is 885 rubles. - Convert the daily consumption to liters: 0.6333 m3 * 1000 liters/m3 = 633.33 liters. - Since the daily consumption is less than 140 liters, the cost will be calculated based on this rate. - Cost for daily consumption up to 140 liters = 633.33 liters * (885 rubles / 1000 liters) = 560.00 rubles.

3. Calculate the cost for daily consumption exceeding 140 liters: - The cost for 1 m3 of water exceeding 140 liters is 2580 rubles. - Since the daily consumption is less than 140 liters, there is no cost for this rate.

4. Calculate the total cost for the month: - Multiply the cost for daily consumption up to 140 liters by the number of days in a month (30). - Total cost = Cost for daily consumption up to 140 liters * 30 days = 560.00 rubles * 30 = 16,800.00 rubles.

Therefore, the family of four will pay a total of 16,800.00 rubles for their water consumption for the month.

Please note that the rates and calculations provided are based on the information given and may vary depending on the specific water provider and location. It is always recommended to check with the water provider for the accurate rates and billing information.