Does the graph represent a proportional relationship? If so, state the equation.
y=1/3x
20
Which graphs represent proportional relationships?
1 and 5
15
Simplify
4 1/2
10
A train travels 423 miles every 9 hours. What is the unit rate of the train?
47 mph
10
Calculate the unit cost: 6 pounds of lobster for $65.94
$10.99/lb
10
Michael can read 582 words in 3 minutes. At this rate, how many words can he read in 20 minutes?
3,880 words
15
Which is the better buy? 20 ounces of orange juice for $4.40 or 32 ounces of orange juice for $6.72? By how much cheaper is it?
32 ounce OJ by 1 cent
20
Simplify
5/18
10
This week, Kayla worked 16 hours at the grocery store and 24 hours at the library. Write a ratio of the number of hours she worked at the library to the total number of hours she worked in simplest form.
3/5
10
Car A traveled 208 miles in 4 hours. Car B traveled 245 miles in 5 hours. Which car traveled at a faster rate? How much faster?
Car A by 3 mph
20
Does the table represent a proportional relationship? If so, state the equation.
y=3x
15
Answer both questions.
3/4 hr per mile and 1 1/3 mph
25
1/5 book/hr
15
Assume the table represents a proportional relationship. Identify the constant of proportionality, then find the missing values
k=3; 5 and 105
15
The ordered pairs (2, 8), (3, 12), (x, 20) represent a proportional relationship. Find the value of x