Proportional Relationships to Solve Rate Problems

• 60

• 12

• 14

• 9

• 13

• 21

• 33

• 27

• 38

• 35

• 52

• 29

• 8

• 15

• 7

• 3

Solve the proportion below:

• 42
• 6
• 2
• 28

The number of words Maria typed varied directly with the amount of time she spent typing. If she typed 275 words in 5 minutes, how long would it take her to type 1,100 words? 

• 220 minutes
• 20 minutes
• 15 minutes
• 4 minutes 

Josh bought a pizza with eight slices of pizza for $12. What is the cost of a slice of pizza?

• $12
• $1.50
• $3
• $1

Jeff ran 6 miles in 4 hours. At this rate, how many miles will he run in 6 hours?

• 9 miles
• 4 miles
• 6 miles
• 36 miles

6. AMUSEMENT PARKS The waiting time to ride a roller coaster is 20 minutes when 150 people are in line. How long is the waiting time when 240 people are in line?

• 32 People
• 32 Min.
• 12.5 Min.
• 12.5 People

Jacob mixed 8 cups of flour with 2 cups of water to make pizza dough.  To represent the relationship between the number of cups of flour, f, and the number of cups of water, w, needed to make the same pizza dough, Jake wrote the equation
f = ____ w
What should be placed in the blank?

• 1/4
• 8
• 2
• 4