Ratio Tables and Proportions

What is the constant of proportionality for this table?

• $1/9 per hour

• $9 per hour

• $8 per hour

Identify the constant of proportionality.

• k = 1/90

• k = 90

• k = 1/30

• k = 30

• none (not proportional)

To make pink paint, Sylvia mixes 7 cups of white paint to every 3 cups of red paint. Which table shows possible values of w, the number of cups of white paint Sylvia uses, and r, the number of cups of red paint?

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The 6th grade took a field trip to the movies. The table shows the price of popcorn based on the quantity purchased. How much would it cost for 20 bags of popcorn? 

• 50

• 55

• 60

• 65

In a proportional relationship represented by the table below, what is the missing value of y when x = 5? | x | y | |---|---| | 1 | 2 | | 2 | 4 | | 3 | 6 | | 4 | 8 | | 5 | ? |

• 9

• 10

• 11

• 12

Complete the table to show a proportional relationship between x and y, where the constant of proportionality is 3. | x | y | |---|----| | 1 | 3 | | 2 | 6 | | 4 | ? | | 5 | 15 |

• 9

• 12

• 18

• 21

Express the ratio as a fraction in simplest form:
18 ounces to 3 cups

• 6 to 1

• 1/6

• 18/3

• 3/18

88 students for 4 classes
How many students per class?

• 22 students per class

• 22 classes per student

• 25 students per class

• 25 classes per student

Elijah earn $200 for 8 hours of work. What is the unit rate (in dollars per hour)?

• $50 per hour

• $12 per hour

• $192 per hour

• $25 per hour

Which table or tables represent proportional relationships

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