1. Name ___________________________________ Date _________________
Mrs. Labuski & Mrs. Portsmore Period _______ Unit 8 Lesson 4 Tax & Tip
TB 8-10
VOCABULARY DEFINTION EXAMPLE
A tip is an amount added to a bill.
TIP See below
tip =total bill • tip rate
total cost = bill + tip
Sales tax is an amount added to the price
of an item.
SALES TAX See below
sales tax =purchase price • sales tax rate
total cost = price + sales tax
TIP
Leslie’s lunch bill is $14.00. She wants to leave a tip
that is 15% of the bill. How much should her tip be?
What is 15% of $14.00?
is = %
of 100
x = 15
total: 14 100
$14.00 100x = 60
÷100 ÷100
x = $0.60
total tip = $0.60
Now, add the tip to the total cost of the bill if you are asked to find total cost.
$14.00
+ 0.60
$14.60

2. Sales Tax Charlie wants to buy a new CD but isn’t sure he has
enough money. The CD costs $25, but he has to pay
$25.00 8% tax. How much will the CD cost?
What is 8% of $25.00?
is = %
of 100
x=8
25 100
100x = 200
÷100 ÷100
x = $2.00 $25.00
total tax = $2.00 + 2.00
$27.00
Total cost = $27.00
1. Carl and Rita ate breakfast at the local diner. Their bill came to $11.48. They gave their
waitress a tip that was 25% of the bill. How much money did they give the waitress for her tip?
is = %
of 100
x = 25
11.48 100
100x = 287
÷100 ÷100
x = $2.87 total tip = $2.87
2. Lisa’s family ordered sandwiches to be delivered. The total bill was $21.85. They gave the
delivery person a tip that was 20% of the bill. How much did they tip the delivery person?
is = %
of 100
x = 20
21.85 100
100x = 437
÷100 ÷100
x = $4.37
total tip = $4.37

3. 3. Sawyer bought a T-shirt for $12.78 and shorts for $17.97. The sales tax rate was 6%. About
how much money did Sawyer spend altogether?
is = % $30.75 clothes
$12.78
+$17.97
of 100 +$1.85 tax
$30.75 x =6 $32.60
30.75 100
total cost of purchase The total cost of
before tax the purchase is
100x = 184.5
$32.60
÷100 ÷100
x = $1.845
total tax = $1.85
4. Marie ordered a root beer float at the ice cream shop. The float was $2.00, and she paid a 6%
sales tax. How much did Marie pay for her root beer float in all?
is = %
$2.00 float
of 100
+$0.12 tax
x=6 $2.12
2 100
The total cost of
100x = 12 the purchase is
÷100 ÷100 $2.12
x = $0.12
total tax = $0.12
5. A video game costs $25.00. The sales tax is 7%. How much will the total cost be for the
game?
is = %
$25.00 game
of 100
+ $1.75 tax
x= 7 $26.75
25 100
The total cost of
100x = 175 the purchase is
÷100 ÷100 $26.75
x = $1.75
total tax = $1.75

4. Name ___________________________________ Date _________________
Mrs. Labuski & Mrs. Portsmore Period _______ Unit 8 Lesson 4 Tax & Tip
TB 8-10
VOCABULARY DEFINTION EXAMPLE
TIP See below
SALES TAX See below
TIP
Leslie’s lunch bill is $14.00. She wants to leave a tip
that is 15% of the bill. How much should her tip be?
What is 15% of $14.00?
is = %
of 100
Charlie wants to buy a new CD but isn’t sure he has
enough money. The CD costs $25, but he has to pay
8% tax. How much will the CD cost?
total:
$14.00 What is 8% of $25.00?
is = %
of 100
Now, add the tip to the total cost of the bill if you are asked to find total cost.
Now, add the tax to the total price.

5. Sales Tax
$25.00
1. Carl and Rita ate breakfast at the local diner. Their bill came to $11.48. They
gave their waitress a tip that was 25% of the bill. How much money did they give
the waitress for her tip?
2. Lisa’s family ordered sandwiches to be delivered. The total bill was $21.85. They
gave the delivery person a tip that was 20% of the bill. How much did they tip the
delivery person?
3. Sawyer bought a T-shirt for $12.78 and shorts for $17.97. The sales tax rate was
6%. About how much money did Sawyer spend altogether?

6. 4. Marie ordered a root beer float at the ice cream shop. The float was $2.00, and
she paid a 6% sales tax. How much did Marie pay for her root beer float in all?
5. A video game costs $25.00. The sales tax is 7%. How much will the total cost be
for the game?

7. 4. Marie ordered a root beer float at the ice cream shop. The float was $2.00, and
she paid a 6% sales tax. How much did Marie pay for her root beer float in all?
5. A video game costs $25.00. The sales tax is 7%. How much will the total cost be
for the game?

8. 4. Marie ordered a root beer float at the ice cream shop. The float was $2.00, and
she paid a 6% sales tax. How much did Marie pay for her root beer float in all?
5. A video game costs $25.00. The sales tax is 7%. How much will the total cost be
for the game?