Percent
Unit Rate
Constant of Proportionality
Raises and Taxes
Proportions
100

What is the percent for 22/29?

76%

100

What is the unit rate for $5 for 5 cookies?

$1 per cookie

100

What is the constant of proportionality in the following equation: C=5n

5

100

I bought a new book for $3. After the 6% sales tax was added into the total, how much was the final cost?

6% = .06

3 * .06 = .018

book + tax = $3.18

100

I can buy 2 dog treats for $6 so how many treats can I buy for $30

10 treats

200

Out of 100, this amount is equivalent to 15%

15

200

If five pretzel sticks cost $10. How much does one pretzel stick cost?

$2 for 1 pretzel

200

What is the constant of proportionality in the following equation: y=3x

3

200

What is the new price for a $20 shirt if the price was raised 10%?

10% = 0.10 or 0.1

20*.1 = 2

shirt + markup = $22.

200

If I can buy 45 cookies for $9, how many cookies can I get for $15?

75 cookies

300

Out of 225, this amount is equivalent to 36%

81

300

If I buy 3 large pizzas for $18, how much does one pizza cost?

$6 per pizza

300
What is the constant of proportionality if I buy 1 pizza for $10?
10
300

What is the new price for a shirt that costs $30 and has a sales tax of 8%?

8% = .08

30 * .08

$32.40

300

If John jogs 4 miles a day, how much miles will he have jogged in one year? (Assuming he continues this rate with no days missed in a 365 day calendar.)

1460 miles

400

Jerome makes 42,000 per year. Next year he wants to put 7% in a savings account. How much will he put in the account?

42000 * .07 = 2940

400

Which is the better buy? 

A: 6 cookies for $2 

or

B: 4 cookies for $1.25

A: $0.33 per cookie (2/6)

B: $0.31 per cookie (1.25/4)

B is the better buy.

400
Is the following data proportional?

x      y

12    32

9     24

6    16

Yes

When dividing (x/y) they all equal the same decimal.

400

If you make $15,000 a year and received a 4% raise, how much do you make a year now?

4% = .04 

15000 * .04 =600

Income + raise = $15,600

400

If you run 7.5 miles in 3 hours at a steady pace. How long does it take you to run 3 miles?

1.2 hours

500

If 3 people want hamburgers and 5 people want tacos, what is the percent of people who want hamburgers?

Total number = 8

3 of the 8 want hamburgers.

3/8 = 38% (or 37.5%)

500

Which is the better buy?

A: 1 dozen cupcakes for $11.99

or

B: 8 cupcakes for $8.75

A: $0.99 per cupcake 

B: $1.25 per cupcake 

A is the better buy.

500

Jarrod goes for a bike ride to burn some calories. He rides 8 miles and burns 480 calories. 

Write an equation to show the relationship between miles biked (m) and calories burned (c).

c = 60b

c = 60 *b

60 * b =c

60b=c

500

If you make $75,000 a year and earned a 6% raise, how much will you make now?

6% = .06

75000 * .06 = 4500

Income + raise = $79,500

500

A train at an amusement park covers a distance of 2.5 miles in 1/3 of an hour. How many miles per hour does the train go?

7.5 miles in 1 hour

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