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## stephine is taking out a loan in the amount of 15000. her choices for the loan are a 4-year loan at 3% simple interest and a 5 year loan at

Question

stephine is taking out a loan in the amount of 15000. her choices for the loan are a 4-year loan at 3% simple interest and a 5 year loan at 5% simple interest. what is the difference in the amount of interest stephine would have to pay for each of these two loans?

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Math
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2021-09-10T10:48:38+00:00
2021-09-10T10:48:38+00:00 1 Answer
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## Answers ( )

Answer:$1950

Step-by-step explanation:The equation for simple interest is

I is the total interest. We need to find this.

P is the principal, or the starting value.

r is the rate in decimal form.

t is the time, usually in years.

Use this formula to calculate the interest for Stephine’s two choices.

4-year loan at 3% simple interestFind the decimal form of percentages by dividing the percentage by 100. 3% in decimal form is 0.03. This is “r”.

“t” is 4 because it’s a four year loan.

P is 15000.

Substitute the known variables (P, t, r) then solve to find I.

I = P(rt)

I = 15000(0.03)(4)

I = 15000(0.12)

I = 18005 year loan at 5% simple interestFind the decimal form of percentages by dividing the percentage by 100. 5% in decimal form is 0.05. This is “r”.

“t” is 5 because it’s a five year loan.

P is 15000.

Substitute the known variables (P, t, r) then solve to find I.

I = P(1+rt)

I = 15000(0.05)(5)

I = 15000(0.25)

I = 3750To find the difference in the amount of interest, subtract the smaller value from the greater value.

Since 3750 is greater than 1800:

3750 – 1800 = 1950

The difference in interest is $1950 for the two loans.