fvmousdiana
fvmousdiana
04.09.2020 • 
Mathematics

Tiffany sells musical instruments and equipment at Let It Rock in the mall. She earns a commission of 5% on the first $6,000, 7.5% on the next $6,000, and 10% on sales over $12,000. Her total sales for the month are $14,640. What is Tiffany’s total commission?

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