해법
해법
솔루션 단계
Translate the problem into an equation:
가장 가까운 hundredth 으로 반올림:
인기 있는 예
13 years from now David will be twice as old as Pearl. The current sum of the ages of David and Pearl is 19. How old is Pearl right now?Denise opened a savings account 3 years ago. The account earns 5% interest, compounded continuously. If the current balance is 800.00, how much did she deposit initially?9 less than twice a numberRick ran for 3/4 hour on Wednesday for a 거리 of 4.2 miles. On Thursday, he ran for 1 hour at the same speed he ran on Wednesday. How many miles did Rick run on Thursday?The radius of a 원형 is 19 m. Find its area in terms of