Question

. Историки считают, что 11% всех существующих на Земле стран испытали за последние 25 лет социальные потрясения, 19% стран испытали экономические кризисы, а 3% стран испытали и то и другое. Каков процент стран, не испытавших ни социальных потрясений, ни кризисов?

Answer 1

100-11-19-3=67% стран не испытывало ни соц. потрес. ни кризисов

Answer 2

Calculating the Percentage of Countries Not Experiencing Social Upheavals or Economic Crises

To calculate the percentage of countries that have not experienced either social upheavals or economic crises in the last 25 years, we can use the information provided in the question. According to the given data: - 11% of all countries have experienced social upheavals - 19% of all countries have experienced economic crises - 3% of all countries have experienced both social upheavals and economic crises

To find the percentage of countries that have not experienced either social upheavals or economic crises, we can subtract the total percentage of countries that have experienced either or both from 100%.

Calculation

- Percentage of countries experiencing social upheavals: 11% - Percentage of countries experiencing economic crises: 19% - Percentage of countries experiencing both: 3%

We can calculate the percentage of countries not experiencing either social upheavals or economic crises using the following formula: \[ \text{Percentage of countries not experiencing either} = 100% - (\text{Percentage of countries experiencing social upheavals} + \text{Percentage of countries experiencing economic crises} - \text{Percentage of countries experiencing both}) \]

\[ \text{Percentage of countries not experiencing either} = 100% - (11% + 19% - 3%) \] \[ \text{Percentage of countries not experiencing either} = 100% - 27% + 3% \] \[ \text{Percentage of countries not experiencing either} = 100% - 24% \] \[ \text{Percentage of countries not experiencing either} = 76% \]

The percentage of countries that have not experienced either social upheavals or economic crises in the last 25 years is 76%.

This calculation is based on the provided percentages of countries experiencing social upheavals, economic crises, and both, and the assumption that these percentages cover all countries globally.

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