Answer the following parts. (a) Write down a formula for the amount of money you would have in your account after t years if it started at $1000 and the account pays 2.5% annual interest compounded monthly. (b) If you buy a car for $20,000 and it loses half its value every year when will the car be worth $3,000? (c) A population is known to grow exponentially. If it starts at 100 and is 150 after 3 months when will the population be 300?

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A: Given

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A: Formula used:The simply annual compound interest formula

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Q: What rate of interest compounded annually is required to double an investment in 3 years?

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Q: How much would you have to invest at 3% compounded continuously to make $45000 in 4 years

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A: Evan is going to invest in an account paying an interest rate of 6.1% compounded continuously. How…

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A: Given query is to find the quarterly intrest rate.

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Q: what rate of interest compounded annually is required to double an investment in 3 years?

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A: Topic- contionus compound interest

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