Slide 1 Copyright © 2015, 2011, 2008 Pearson Education, Inc. Percent and Problem Solving: Sales Tax, Commission, and Discount Section7.5.

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Presentation transcript:

Slide 1 Copyright © 2015, 2011, 2008 Pearson Education, Inc. Percent and Problem Solving: Sales Tax, Commission, and Discount Section7.5

Slide 2 Copyright © 2015, 2011, 2008 Pearson Education, Inc. Calculating Sales Tax and Total Price Sales Tax and Total Price sales tax = tax rate · purchase price total price = purchase price + sales tax

Slide 3 Copyright © 2015, 2011, 2008 Pearson Education, Inc. Example A gold and diamond bracelet sells for $1800. Find the total price if the sales tax rate is 6.5%.

Slide 4 Copyright © 2015, 2011, 2008 Pearson Education, Inc. Example The sales tax on an $18,500 automobile is $1665. Find the sales tax rate.

Slide 5 Copyright © 2015, 2011, 2008 Pearson Education, Inc. Calculating Commission Commission commission = commission rate · sales

Slide 6 Copyright © 2015, 2011, 2008 Pearson Education, Inc. Example A salesperson earned a commission of $3575 for selling $32,500 worth of books to various bookstores. Find the commission rate.

Slide 7 Copyright © 2015, 2011, 2008 Pearson Education, Inc. Example A salesperson earns $645 for selling $4300 worth of appliances. Find the commission rate.

Slide 8 Copyright © 2015, 2011, 2008 Pearson Education, Inc. Calculating Discount and Sale Price Discount and Sale Price amount of discount = discount rate · original price sale price = original price · amount of discount

Slide 9 Copyright © 2015, 2011, 2008 Pearson Education, Inc. Example A $2000 designer dress is on sale for 30% off. Find the discount and the sale price. continued

Slide 10 Copyright © 2015, 2011, 2008 Pearson Education, Inc. continued A $2000 designer dress is on sale for 30% off. Find the discount and the sale price.