해법
해법
솔루션 단계
Represent the number with
A.T.Q.:
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twice the 차이 of a number and 3 is greater than 25The sum of a number times 7 and 27 is at least 25Vivian earned some money doing odd jobs last summer and put it in a savings account that earns 3% interest compounded continuously. After 3 years, there is 800.00 in the account. How much did Vivian earn doing odd jobs?A 9300 investment earns interest at 4.4% p.a. compounded monthly over 14 years. Use the compound interest formula to calculate the value of this investment to the nearest cent.calculate the 100% from the total of 175