Is vietnam a country or a state

Vietnam, a one-party Communist state, has one of south-east Asia's fastest-growing economies and has set its sights on becoming a developed nation by 2020. It became a unified country once more in 1975 when the armed forces of the Communist north seized the south

This answer would be c

12 days because 1/4 is 25% of 100 if 100 is equal to 1 pound then multiply 3 by 4 which equals 12