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Chris invested $12,000 at a rate of 4%. How long should he leave his money invested if he wants to earn interest of at least $1,000?

Respuesta :

12,000 x 1.04^2 = 12,980. This is the total money he has after 2 years, however the difference is not quite 1,000

12,000 x 1.04^3 = 13,500. The difference after 3years is over a 1000
So the answer is 3 years