you deposit $200 in an account earning 3.5% simple interest. How long will it take for the balance of the account to $221?

I = PRT

21 = 200 * 0.035 * T

21 = 7T

3 years = T

what is it

bro its like 30 something not 3

It's 3 years

omg its like 31.5714285714 or smth not 3

lmao whats the answer

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what is it?

3.16 years