Proportions

The corporate team-building event will cost $15 if it has 5 attendees. How many attendees can there be, at most, if the budget for the corporate team-building event is $18? Assume the relationship is directly proportional.

• 5
• 8
• 15
• 6

30/10 = 3/t
t = 

• 1
• 10
• 100
• 30

20/8 = q/18
q = 

• 18
• 20
• 45
• 8

Do the ratios 7/14 and 1/2 form a proportion?

• YES
• NO

Jenny jarred 16 liters of jam after 8 days. How much jam did Jenny jar if she spent 9 days making jam? Assume the relationship is directly proportional.

• 17
• 18
• 20
• 16

Do the ratios 5/4 and 15/12 form a proportion?

• YES
• NO

Do these ratios form a proportion?
2 units : 6 years
3 units : 17 years

• YES
• NO

Molly bought two heads of cabbage for $1.80. How many heads of cabbage can Willie buy if he has $28.80?

• 30
• 22
• 32
• 40

Definition of Rate

• Is a rate in which the second measurement or amount is 1 unit.
• Is a comparison of two numbers or measures using division.
• Is a ratio that compares two quantities with different units of measurement.

Jenny was planning a trip to the United Arab Emirates. Before going, she did some research and learned that the exchange rate is 4 Dirhams for every $1. How many Dirhams would she get if she exchanged $5?

• $15
• $18
• $20
• $23