Question

В июне в Черкассах количество солнечных дней составило 25% от количества мрачных, количество теплых дней - 20% от количества холодных. Только три дня были солнечными и теплыми. Сколько было мрачных и холодных дней?

Answer 1

1) 25%=25/100=1/4

2) 3*4=12 дней было мрачных

3) 20%=20/100=1/5

4) 3*5=15 дней было холодных

ответ: 12 мрачных дней, 15 холодных дней

Answer 2

Calculating the Number of Gloomy and Cold Days in Cherkasy in June

To calculate the number of gloomy and cold days in Cherkasy in June, we can use the given information about the percentages of sunny days, warm days, and the total number of sunny and warm days.

Given: - Percentage of sunny days = 25% of the total days - Percentage of warm days = 20% of the total days - Only three days were both sunny and warm

Let's calculate the number of gloomy and cold days.

Calculation

1. Total Sunny Days: - Percentage of sunny days = 25% - Let's assume the total number of days in June as 'x'. - Number of sunny days = 25% of x = 0.25x

2. Total Warm Days: - Percentage of warm days = 20% - Number of warm days = 20% of x = 0.20x

3. Sunny and Warm Days: - Given: Only three days were both sunny and warm

4. Gloomy Days: - Gloomy days = Total sunny days - Sunny and warm days - Gloomy days = 0.25x - 3

5. Cold Days: - Cold days = Total warm days - Sunny and warm days - Cold days = 0.20x - 3

Conclusion

Based on the given information, the number of gloomy days in Cherkasy in June can be calculated as 0.25x - 3, and the number of cold days can be calculated as 0.20x - 3.

Let's calculate the exact number of gloomy and cold days using the given percentages and the fact that only three days were both sunny and warm.

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