Question

Morgan earned $80,000 in interest after 20 years. If his original investment was for $50,000 what must the interest rate have been?



HINT: Use the answer choices to figure out what your interest rate would be.

Morgan earned $80,000 in interest after 20 years. If his original investment was for $50,000 what must the interest rate have been?



HINT: Use the answer choices to figure out what your interest rate would be.

8%

4%

5%

2%

Answers

GPT 3.5
To calculate the interest rate, you first need to find the total amount Morgan had after 20 years. This total amount would be: original investment ($50,000) + interest earned ($80,000) = $130,000.

Next, you can calculate the annual interest rate by dividing the total interest earned ($80,000) by the original investment ($50,000) and then dividing by the number of years (20).

($80,000 / $50,000) / 20 = 0.08

This means the annual interest rate is 8%, so the correct answer is 8%.

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