Ch. 1 Ratios and Proportional Reasoning Review

What is the unit rate if there are 1,760 Calories in 8 servings?

• 176 calories per serving

• 220 calories per serving

• 228 calories per serving

• 14,080 calories per serving

A cheetah can run 70 miles per hour. What is this speed in feet per hour?

• 0.01 feet per hour

• 210 feet per hour

• 48,400 feet per hour

• 369,600 feet per hour

Which size of yogurt shown in the table has the lowest unit price?

• 6 oz

• 8 oz

• 10 oz

• 32 oz

Kevin can travel  $22\ \frac{1}{2}$  miles in  $\frac{1}{3}$  hour. What is his average speed in miles per hour?

• 65 mph

• 67.5 mph

• 68 mph

• 70 mph

The table shows the cost for ordering a certain number of pizzas. What is the value of x if the cost is proportional to the number of pizza's ordered?

• $9.99

• $29.97

• $49.95

• $59.94

What is the constant of proportionality of the linear function?

• 2

• 12

• 25

• 50

 $\frac{118}{13}=\frac{59}{z}$  

• 1.5

• 6.5

• 26

• 535.5

The table shows the relationship between time and distance. Which graph best represents the data in the table?

• 
• 
• 
• 

What is the constant rate of change shown in the graph?

• 2.5

• 3

• 7.5

• 10

What is the slope of the line from the table?

• 50

• 100

• $\frac{1}{25}$

• $\frac{1}{50}$