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10 February, 23:25

A small business owner borrowed $4,200 at annual simple interest rate of 12%. What is the total amount that must be repaid in 3 months?

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  1. 10 February, 23:28
    0
    The total of the interest is 1386 so in total it would be 5586
  2. 10 February, 23:45
    0
    Let's use the equation I=prt (Interest = principle * rate * time

    Alright. We don't yet know the interest, so we can leave that as i.

    We know the principle is 4,200 dollars, since that is the starting amount of money, so let's fill that in for p.

    We know the rate is 12 percent, so let's fill that in for r.

    We know the time is 3 months, which is 3/12 of a year, so let's fill that in for t.

    So far we have I=4,200*0.12 * 3/12

    Let's solve for I

    I got 126.

    Let's add that to the original amount (4,200+126)

    Your final answer should be he owes 4,326 dollars.

    Don't sorry about the following text, it won't come off my screen

    Going to this in comments because my keyboard is covering the answer, so sorry!
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