# Lesson 7.7 Concept: How to solve problems involving discounts and sales tax. Guidelines: A discount is the difference between the original price and the.

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Lesson 7.7 Concept: How to solve problems involving discounts and sales tax. Guidelines: A discount is the difference between the original price and the sale price. A sales tax is an amount added to the price of a purchase.

A discount is the difference between the original price and the sale price. Ms.Thomas bought a dress. The original price was \$78, and it was discounted 30% off. 1. Find the discount What is 30% of \$78? 0.3 78 =\$23.40 discount 2. Subtract the discount from the original price. \$78.00 - \$23.40 \$54.60 is the sale price

A discount is the difference between the original price and the sale price. Lou found a bat that had an original cost of \$125, but it was marked down 20%. What is the sale price? 1. Find the discount What is 20% of \$125? 0.2 125 =\$25.00 discount 2. Subtract the discount from the original price. \$125.00 - \$ 25.00 \$100.00 is the sale price

A sales tax is an amount added to the price of a purchase. A hotel cost \$158 per night plus 11.3% sales tax. What is the total cost per night? 1. Find the tax What is 11.3% of \$158? 0.113 158 =\$17.85 sales tax 2. Add the sales tax to the original price. \$158.00 + \$ 17.85 \$175.85 is the total cost

A sales tax is an amount added to the price of a purchase. You buy a stereo for \$387.50. What is you total cost if the sales tax is 7.25%? 1. Find the tax What is 7.25% of \$387.50? 0.0725 387.50 =\$28.09 sales tax 2. Add the sales tax to the original price. \$387.50 + \$ 28.09 \$415.59 is the total cost

Sally bought a sofa for \$450. It was marked 35% off. The sales tax is 8.5%. Find the total cost of the sofa.

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