해법
해법
솔루션 단계
Translate the problem into an equation:
가장 가까운 hundredth 으로 반올림:
인기 있는 예
The sum of twice a number and 14 less than the number is the same as the 차이 between-30and the number. What is the number?Jim is 4 years older than Kat. Five years ago, the sum of their ages was 48. How old is Jim?what is the 원둘레 of a circle with a diameter of 14 centimetersFind the principal needed now to get the given amount; that is, find the present value.To get 500 after 2 years at 11% compounded monthlyThe ending balance on an investment is 1,620.24. If the principal was invested at 8% for nine years, what was the principal?