Math Problem Statement
What principal will earn $ 40.12
interest from October 15 comma 2017 , to June 12 comma 2018 , at 9.25 %?
Solution
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Math Problem Analysis
Mathematical Concepts
Simple Interest
Time Conversion
Algebra
Formulas
Simple Interest Formula: I = P × r × t
Rearranged Formula for Principal: P = I / (r × t)
Theorems
Simple Interest Calculation
Suitable Grade Level
Grades 9-11
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