Math Problem Statement

1)      Nitin is paid a base salary of $200 per week and commission at the rate of 3% for sales over $5000, 4% if his sales are over $8000, and 5% if sales are over $15,000. How much will Nitin earn in a week in which his sales are $20,000?

Solution

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Math Problem Analysis

Mathematical Concepts

Algebra
Piecewise Functions
Percentage Calculations

Formulas

Commission calculation: sales × commission rate
Earnings calculation: base salary + sum of commissions

Theorems

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Suitable Grade Level

Grades 6-8