SOLUTION: IF Annabelle invests $200 at 3% interest rate for t years, she will have the amount A= 200(1.03)^t dollars. How many whole years must Annabelle wait for the amount to reach 500? So

Question 1106245: IF Annabelle invests $200 at 3% interest rate for t years, she will have the amount A= 200(1.03)^t dollars. How many whole years must Annabelle wait for the amount to reach 500? So,obviously I plug in 500 as A,and I end up with,
500=200(1.03)^t
Divide by 200
2.5=1.03^t
So,er...what now?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!

Take the log base 10 of both sides

You can find numerical answer using calculator

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