Proportional Relationships I
Proportional Relationships II
Percent of Change
Percent Increase/Decrease
Misc.
100
Does the table represent a proportional relationship or not? Be able to explain your answer.
Not Proportional, when dividing y/x they do not all equal the same constant of proportionality.
100
The ordered pair on a graph of a proportional relationship is (5, 15). What is the constant of proportionality?
3
100
What is the percent of change from 42 to 91?
117% increase
100
The original price of a pair of shorts a is $35. There is a sale for 30% off, what is the new price of the shorts?
$24.50
100
Is 4.32323232... a rational number?
Yes, repeating decimals are rational numbers.
200
Does the table represent a proportional relationship? Be able to explain your answer.
Yes, all equal the same constant of proportionality.
200
Write an equation that shows the proportional relationship.
y =12x
200
Rhythm Time sells music online. Last year, its customers downloaded a total of 984,570 songs. This year, they downloaded 1,083,027 songs. What is the percent of increase in annual downloads?
10% increase
200
In a video store, a DVD that sells for $15 is marked 10% off. What is the new price after discount?
$13.50
200
If Mr. Chambers can buy 5 bags of dog treats for $6.30, what is the price of 1 bag?
$1.26
300
Does the graph represent a proportional relationship? Be able to explain your answer.
Yes, it goes through the origin and is a straight line.
300
How much would it cost for 12 adults to go to the amusement park?
$900
300
Aliya had 6 good friends at the end of 7th grade. At the end of 8th grade, she had 9 good friends. Find the percent of change.
50% increase
300
A grocery store has a 60% markup on a can of soup. The can of soup costs the store $1.50. What is the selling price for the can of soup?
$2.40
300
Is 9.234865... a rational number?
No, 9.234865... does not have a repeating pattern and it does not terminate, therefore it is not rational.
400
What is the constant of proportionality in the equation y = 45x.
45
400
The graph above represents how many laps Luke can run in minutes. What does the ordered pair (0.5,1) represent in the situation?
Luke can run 1 lap in 1/2 of a minute.
400
Kameron wants to buy a shirt that originally cost $50. It is on sale, and the new price is $24. Find the percent of change of the price of the shirt.
52% decrease
400
Mrs. Stoltenow spent $205 at Target. If the sales tax is 6%, what was the total amount she paid?
$217.30
400
What is the side length of a square that has an area of 81 square feet?
9 feet
500
Write an equation that represents the relationship.
y=5x
500
Find the missing values of the table if the table represents a proportional relationship.
x= 4
y= 20
500
Elijah started the year by running 7 laps around the school each morning. Yesterday, he ran 4 laps. What is the percent decrease of the number of laps Elijah ran?
43% decrease
500
The Kerwoods went out to eat. If the bill was $58 and they gave their server a 15% tip, how much did they pay all together?
$66.70
500
A movie theater has reduced movie ticket prices for the early afternoon show. A group of 4 students go to the show and pay $26. At this rate, how much would 30 students pay to see a movie?
$195