I need help! Screenshot down below.
Please give me real answers and not spam (those who spam will get reported)
Please SHOW your work

The formula for the question below is A=Pe^rt

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Work Shown:

P = 1000 is the amount deposited

We want this value to double to A = 2000 which is the amount in the account at time t (in years).

r = 0.03 represents the interest rate in decimal form.

The value of t is unknown but we can solve for it like so

It will take about 23 years for the amount to double.

As a check,

which helps show that after roughly 23 years, we'll have about 2000 dollars in the account.

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Side note: Use of the rule of 72 leads to 72/3 = 24. The '3' is from the 3% interest rate. So the rule of 72 says it will take about 24 years for the amount to double. This isn't too far off from the 23 answer we got.

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