Solving Percents Review
1) Find 42% of 150.
2) 43.6 is what percent of 20?
3) 83.5 is 125% of what number?
6-7Applications and Percents
Sales Tax / Discount /
• Sales Tax = tax rate × purchase price
Sales Tax Rates
Trussville – 9%
Clay – 8%
Homewood – 9%
Center Point – 6%
Mountain Brook – 9%
City of Birmingham – 9%
Finding Sales Tax and Total Cost
Sales Tax and Total Cost
Center Point Parkway
Find the Discount if they are 10%
Find the Discount if they are 20%
Find the Discount if they are 15%
Some sales jobs pay you a percent of the
amount you sell.
Commission = commission rate × sales
Some car salesman
make 4% commission
from every car that they
Mr. Smith sell Honda cars at Roebuck
Honda for 4% commission. How much will
he make if he sales a Honda Accord LX
with the cost of $21,300?
Mrs. Culver is a realty agent with Realty
One. She is given 6% commission for
each house that she sells. How much
money will Mrs. Culver make if she sells a
house for $392,900?
Tipping is a small present of money given directly to someone for
performing a service or menial task; Gratuity.
10% - Average Tip
15% - Good Tip
20% - Excellent Tip
Going Out to Eat
Suppose you and your family went out to eat at a new Applebee’s. After
being seated, eating dinner, and having dessert with your family and
friends you saw that the bill was $32.10.
Determine the Total Cost that you would have to pay for your meal after
including Sales Tax of 9% and a Great Tip with your group.