100

John needs 2 cups of sugar to make 10 cookies. How many cups of sugar does he need to make one cookie?

**John will need 0.2 cups to make 1 cookie.**

0.2/1

0.2:1

200

Four gallons of gas costs $2.40. What is the price per gallon?

**It costs $0.60 per 1 gallon of gas. **

0.60/1

0.60:1

300

Robert is writing a paper for language arts class. He can write 2/3 of a page in 1/2 of an hour. At what rate is Robert writing per hour?

**1 1/3 pages per hour**

400

Jen's flower shop sells flowers for $1.25 each. Mary's flower shop sells one dozen flowers for $15.48. Which flower shop has the better deal?

**Jen's flower shop has the better deal. **

500

A punch recipe requires 3/5 of a cup of pineapple juice for every 2 1/6 cups of soda. What is the unit rate of soda to pineapple juice in the punch?

**4 1/6 cups of soda per cup of pineapple juice. **

100

What is the constant of proportionality of the table?

**constant of proportionality(k) = 15**

200

What is the constant of proportionality in the table?

**constant of proportionality(k)= 9**

300

(1) Find the constant of proportionality from the table.

(2) What y value goes under 45?

(1) k = 3

(2) y = 135

400

Find the constant of proportionality of the table.

**k = 65**

500

Find the constant of proportionality of the table.

**NOT PROPORTIONAL!**

100

The graph of a proportional relationship will be any straight line.

TRUE or FALSE?

**FALSE!**

200

What is the constant of proportionality of the graph?

**constant of proportionality (k) = 30**

300

What is the unit rate of the following graph?

**45 miles per hour**

400

If possible, find the slope of the graph.

**k = 1/2**

500

What is the constant of proportionality of the graph?

**NOT PROPORTIONAL!**

100

y = 7x represents a proportional relationship.

TRUE or FALSE?

TRUE!

200

What is the equation that represents this graph?

(Hint: Find the constant of proportionality first)

y = 10x

300

y = 3x -1 represents a proportional relationship.

TRUE or FALSE

FALSE!

400

Steven can drive 500 miles in 8 hours. If the rate at which he drives is proportional, what equation can we write to describe this situation? (find constant of proportionality first)

y = 62.5x

500

What is the equation that represents this graph?

(find the constant of proportionality first)

y = 24.5x

100

**NOT PROPORTIONAL**

200

Are the following two ratios proportional or not proportional?

**PROPORTIONAL**

300

A line passing through the points (1,2) and (5,8) represent a proportional relationship.

TRUE or FALSE

FALSE

400

A line passing through the points (1.25, 2.5) and (3.75, 7.5) represents a proportional relationship

TRUE or FALSE?

TRUE

500

A line passing through (1,3) and (2,6) represents a proportional relationship.

TRUE or FALSE?

TRUE

100

A 1,075 foot tree has grown at a constant rate each year. In the equation below, t is the age of the tree in years.

25t = 1,075

What is the unit rate in the equation above?

A. 25 feet per year

B. 43 feet per year

C. 1,075 feet per year

D. 1,050 feet per year

**A. 25 feet per year**

200

Solve for x. (Hint: cross multiply and solve)

x = 9

300

Which equation could be used to find the number of minutes, *m*, in *h *hours?

A. m = h/60

B. m = 60h

C. m = 60/h

D. m = 60 + h

B. m = 60h

400

A deli charges teh same price, $4.90, for all of its different sandwiches. If a company ordered n sandwiches for a luncheon, which equation could be used to find the total price, P, that the deli charged for the sandwiches?

A. $4.90/n = P

B. $4.90 + n = P

C. $4.90n = P

D. n/$4.90 = P

C. $4.90n = P

500

The total amount of money, *M*, that Bob earns each week at his job is proportional to the wages, *w*, that he earns per hour for working *h* hours. Which equation represents the relationship between the total amount Bob earns and hours worked?

A. M = h/w

B. M = w/h

C. M = w + h

D. M = wh

D. M = wh

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