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The diameter of a circle is 48 feet. What is the circle's 원둘레?18 is 25% of what number?If you need 4800 in 6 years, and can earn a return of 8% per year, how much should you invest today?The product of 3 and a number is greater than the 차이 between that number and 12. What is the number?The 원둘레 of a circle is 19pipi ft. Find its diameter, in feet..