Interest and simple interest account

Inequalities (0)
Answer questions with equations (0)
Equations with parentheses (0)
Solving equations by transforming them (0)
Solve equations by trying (0)
A simple interest account (0)
Application of percentage calculation (0)
Base value calculation (0)
Percentage calculation (0)
Calculation of the percentage amount (0)
The concept of percentage (0)
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