Discount and sales_tax_ppt

1. Objective: Students will be able to solve
problems involving discounts and sales tax.
VOCABULARY:
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.

2. 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?
Change % to decimal and multiply
0.3 • 78 = 23.40 discount
2. Subtract the discount
from the original price.
78.00
- 23.40
54.60 is the sale price

3. 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?
Change % to a decimal and multiply
0.2 • 125 = $25.00 discount
2. Subtract the discount
from the original price.
125.00
- 25.00
100.00 is the sale price

4. 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% of 158?
0.11 • 158 = 17.38 sales tax
2. Add the sales tax to
the original price.
158.00
+ 17.38
175.38 is the total cost

5. 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 7.5% of 387.50?
0.075 • 387.50 = 28.09 sales tax
2. Add the sales tax to
the original price.
387.50
+ 29.06
416.56 is the total cost

6. Sally found a sofa that had a price tag of $450. It was
marked 35% off. What is the total discount?
Sally decided to buy the sofa that was on sale.
The sales tax is 8.5%. Find the total cost of the sofa.
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