Continuous Interest

Caiden earned $475 from mowing lawns last summer. He deposited this money in an account that pays an interest rate of 3.8% compounded continuously. What will be his balance after 15 years?

• $141,962.02            

• $831.10                

• $839.93

• $846.80            

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Kennedy won $3,000 from a radio contest. If she puts this money in a bank account that earns 2.9% interest compounded quarterly, how much INTEREST will she earn in 10 years?

• $915.59              

• $933.28            

• $979.81              

• $1,005.09              

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P=12,000, r=11.9%

Find about how long it would take to triple to money. (Round to the nearest WHOLE year)

• 9.3 years

• 9 years

• 12 years

• 7 years

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How much will you have if you invest $4000 at a continuous interest rate of 5.1% for 7 months? Round to the nearest cent (2nd decimal place)

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Dash puts $3,563 into an account using compounded continuously. If he keeps the money in the account for 5 years and now has a total of $10,689. What is the INTEREST RATE?

• 22%

• 5%

• 0.22%

• 16.7%

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George Springer received $100,000 for an investment that accrued 4.2% interest continuously for 6 years.  About how much money did Springer ORIGINALLY invest? (Round to the nearest penny)

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How much was your original investment if you have $5000 after 9 months compounded continuously at 9.25%? Round to the nearest cent (2nd decimal place).

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If $1,000 is invested at 16% interest, compounded continuously, for five years, what is the ending balance?

• $1,225,54
• $2,225.54
• $22,255.40
• $225.54

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You invest $1600 at an annual interest rate of 4.6% compounded continuously. How much will you have in the account after 4 years.

• $1,923.23

• $10,138.07

• $6,701.28

• $800.26

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What is the continuous interest rate if you deposit $2500 and have $3000 after 4 months? Round to the whole number interest rate.

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