Math 6A, Lesson 11, Spring 2017, 5/7/2017
1. Discount
- Discount = Marked price – Selling price
- Percentage discount = ( Discount / Marked_price) x 100%
- Selling price = (100% – Discount %) x Marked_price
2. Sales Tax and Income Tax
- Tax = Tax_rate x Cost
- Income_tax = Tax_rate x Income
- Income: wage (hourly-paid), salary (annual basis)
3. Compound Discount
- Each successive discount is based on the price after the previous discount
4. Home Work:
- Handout two pages
- Page 42: 18, 19, 20, 21, 22, 23