1. Ann took out a loan at the Bank of Florida with a principle amount of $12,000, at an interest rate of 5.65% for 4 years. What is the am

Question

1. Ann took out a loan at the Bank of Florida with a principle amount of $12,000, at an interest rate of 5.65% for 4 years. What is the amount of her interest?

2. Dan borrowed $1,250.00 from his brother who is charging him 5% simple interest. If Dan pays his brother back in 18 months, how much does he have to pay back including the interest?

Could you please give me the answers to both please

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Audrey 18 hours 2021-10-12T06:55:01+00:00 1 Answer 0

Answers ( )

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    2021-10-12T06:56:45+00:00

    Answer:

    1. $2,950.62

    2. $93.75

    Step-by-step explanation:

    Ann took out a loan of = $12,000

    At an interest rate of = 5.65%

    Time = 4 years

    Formula of compound interest = A=P(1+\frac{r}{n})^{nt}

    = A=12,000(1+\frac{0.0565}{1})^{1\times 4}

    = 12,000(1.0565)^{4}

    = 12,000 × 1.24588514

    Interest = Amount – principal amount

                 = $14,950.62 – 12,000

                = $2,950.62

    Amount that Dan borrowed =  $1,250

    rate of interest = 5%

    Time = 18 months or 1.5 years

    Formula of simple interest = P(1+rt)

    = 1250(1+(0.05 × 1.5))

    = 1250(1+0.075)

    = 1250 × 1.075

    = 1343.75

    Interest = Amount – principal

    I = 1343.75 – 1250

     = $93.75

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