Joni put $200 in an interest-bearing account with an annual compound interest rate of 5%. Joni determined that after 3 years, she will have a total balance of $230. Her work is shown below.

Step 1: P = 200, r = 5, t = 3

Step 2: I = 200 ∙ 0.05 ∙ 3

Step 3: I = 30

Step 4: 30 + 200 = 230

Can someone me with this problem . show your work .

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What is the point slope form of a line with slope -5 that contains point (2,-1)