Between 1950 and 1960 population of Country A increased by 3.5 million people. If amount of increase between 1960 and 1970 was 1.75 million more than increase from 1950 to 1960, find total amount of increase in population in Country A between 1950 and 1970?
The office has 27 employees. If there are seven more women than men in office, how many employees are women?