Question

Тарифный план Абонентская плата Плата за трафик План "0" Нет 3,5 руб. за 1 Мб План "500" 750 руб. за 500 Мб трафика в месяц 3 руб. за 1 Мб сверх 500 Мб План "800" 1000 руб. за 800 Мб трафика в месяц 2,5 руб. за 1 Мб сверх 800 Мб Пользователь предполагает, что его трафик составит 600 Мб в месяц, и исходя из этого выбирает наиболее дешевый тарифный план. Сколько рублей заплатит пользователь за месяц, если его трафик действительно будет равен 600 Мб?

Answer 1

Ответ 18000тоесть 1800

Answer 2

Tariff Plan Details

The user is considering three different tariff plans with different monthly fees and charges for data usage. The details of the plans are as follows:

1. Plan "0": - Monthly fee: None (no subscription fee) - Data charge: 3.5 rubles per 1 MB of data used.

2. Plan "500": - Monthly fee: 750 rubles - Included data: 500 MB per month - Additional data charge: 3 rubles per 1 MB of data used beyond the included 500 MB.

3. Plan "800": - Monthly fee: 1000 rubles - Included data: 800 MB per month - Additional data charge: 2.5 rubles per 1 MB of data used beyond the included 800 MB.

User's Expected Data Usage

The user expects their monthly data usage to be 600 MB.

Calculating the Cost

To determine the most cost-effective tariff plan, we need to calculate the total cost for each plan based on the user's expected data usage of 600 MB.

1. Plan "0": - Monthly fee: None - Data charge: 3.5 rubles per 1 MB - Total data charge: 600 MB * 3.5 rubles/MB = 2100 rubles

2. Plan "500": - Monthly fee: 750 rubles - Included data: 500 MB - Additional data charge: 3 rubles per 1 MB beyond 500 MB - Total data charge: (600 MB - 500 MB) * 3 rubles/MB = 300 rubles - Total cost: Monthly fee + Total data charge = 750 rubles + 300 rubles = 1050 rubles

3. Plan "800": - Monthly fee: 1000 rubles - Included data: 800 MB - Additional data charge: 2.5 rubles per 1 MB beyond 800 MB - Total data charge: (600 MB - 800 MB) * 2.5 rubles/MB = 0 rubles (no additional charge) - Total cost: Monthly fee + Total data charge = 1000 rubles + 0 rubles = 1000 rubles

Conclusion

Based on the user's expected data usage of 600 MB per month, the most cost-effective tariff plan would be Plan "800" with a total cost of 1000 rubles per month.