Mr. Johnson borrowed $8000 for 4 years to make home improvements. If he repaid a total of $10,320, at what interest rate did he borrow the money? (Hint: subtract the principal from the total to get the interest paid)

Intermediate Algebra
19th Edition
ISBN:9780998625720
Author:Lynn Marecek
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Chapter2: Solving Linear Equations
Section2.2: Use A Problem Solving Strategy
Problem 2.53TI: Eduardo noticed that his new car loan papers stated that with a 7.5% simple interest rate, he would...
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  1. Mr. Johnson borrowed $8000 for 4 years to make home improvements. If he repaid a total of $10,320, at what interest rate did he borrow the money? (Hint: subtract the principal from the total to get the interest paid)
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