WebMay 1, 2024 · Susana invested a principal of $36,000 in her bank account with interest rate 6.5%. How much interest did she earn in 3 years? Answer There may be times when you know the amount of interest earned on a given principal over a certain length of time, but you don't know the rate. WebKimberly invested $7000 in her savings account for 4 years. When she withdrew it, she had $7705.31. Interest was compounded continuously. What was the interest rate on the account? The formula for compound continuous interest is: A = P*e^ (rt) In this case A = 7705.31, P = 7000, and t = 4 so: 7705.31 = 7000*e^ (4r) e^ (4r) = 7705.31/7000

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WebDiana invested $3000 in a savings account for 3 years. She earned $450 in interest over that time period. What interest rate did she earn? Use the formula I=Prt to find your … WebHow much money will $3,000 be worth if you let the interest grow? It depends on the interest rate and number of years invested. Use this calculator to figure out the answer. ... After investing for 10 years at 5% interest, your $3,000 investment will have grown to $4,887. fishercheryl

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WebMay 1, 2024 · Loren lent his brother $3,000 to help him buy a car. In 4 years his brother paid him back the $3,000 plus $660 in interest. What was the rate of interest? Solution. We … WebDiana invested 3000 in a savings accountfor 3 years. She earned 450 in intrest over that time period. What interest rate did she earn? ... solutionspile.com WebJul 21, 2024 · The average savings account today earns only 0.37%. At that rate, if you had $3,000 in your account for a year, you’d earn just a few dollars in interest. On the other hand, if you put that... fisher chess champion in the 70\u0027s history