Graphs
Tables
Discount & Tax
Mix Review
100

From the following 2 points on a graph what is the constant of proportionality? (1, 3) and (2,6)

3

100

Amber work at an ice cream shop. Her wages and hours are shown below in the chart. What is the constant of proportionality?

Hours (x)   Wages (y)

2                  16

4                   32

6                  48


8

100

What is the total of a pair of shoes that cost $43 that have a 15% discount

$36.55

100

A granola recipe uses seeds & oats.  You use 3/5 cups of seeds for 3 cups of oats.  How much oats would be needed for 1 cup of seeds? You need to simplify

5

200

What is the constant of proportionality for the graph with the following points? (4,2) (6,3) (8, 4)

1/2

200

What is the constant of proportionality shown in the table?

(x)               (y)

4                  2

8                  4

6                  3

0.5 or 1/2

200

How much money did Ezekiel save on a basketball that costs $24.99 with an 8% discount?

$1.99 or $2.00

200

It takes Drake 1/2 an hour to complete 1 1/4 of his homework.  How much homework does he complete per hour?

10/4

300

What is the following point on the graph called? (0,0)

Origin

300

What is the constant of proportionality shown in the table?

(x)               (y)

5                  4

6                  4.8

8                 6.4

0.8 or 4/5

300

Mrs. Santos bought a new iPad for $950.13. Tax on the iPad is 11%. What is the cost with tax?

$1,054.64

300

You can buy 4 burgers and 2 drinks for $20.00.  You can buy 5 burgers for $20.00.  What is the ratio of the price of a burger to the price of a drink?

2:1

400

What are the two characteristics of a line on a graph that show the line is proportional?

1)Go through the origin

2) Be a straight line

400


Find the constant of proportionality

20

400

Daisy buys a shirt for $15.00 plus 4% tax and some pants for $18.90 plus 4% tax.  What is the total after after tax?

$35.26

400

You can buy 4 chocolates 6 sodas for $14.00.  You can buy 7 chocolates for $14.00.  What is the ratio of the price of a chocolate to the price of a soda?

2:1

500

What is the constant of proportionality?

3

500

Write an equation to represent this situation if the cost is proportional to the number of pounds of ham.


y=4x

500

Valeria & Elena went to the store.  They bought some cookies for $9.00 with a 32% discount and some chips that were $4.50 with a 16% discount.  What was their total after the discount?

$9.90

500

Ian has a 50 ounces water bottle and drinks 38 ounces.  What percent does he have left?

24