PM 2- Ch 2 Proportions

PM 2 REVIEW
Chapter Two

Proportional Relationships

​Abby is writing the place cards for her best friend’s wedding reception. If she can write 12 place cards in 5 minutes, how long will it take her to complete the entire group of 180 place cards?

Math Response

Skylar is writing the place cards for her Thanksgiving dinner. If she can write 5 place cards in 7 minutes, how long will it take her to complete the entire group of 35 place cards?

Type answer here

Correct Answer: 49

Deg^°

Rad

Multiple Choice

Convert 50 pounds to kilograms.

• 22.3 kg

• 21.3 kg

• 21.7 kg

• 22.7 kg

Multiple Choice

When driving from London to Poland, the speed limit signs change from miles per hour (mph) to kilometers per hour (kph), but your rental car speedometer only reads in mph. If the speed limit on the highway is 100 kph, at what speed will you exceed the speed limit?

• 70 mph

• 54 mph

• 62 mph

• 48 mph

Math Response

Determine the constant of proportionality for the following proportional relationships.

Type answer here

Correct Answer: 1.5

Deg^°

Rad

Multiple Choice

How many tbsp of honey is needed for 20 cups of flour?

• 2

• 18

• 25

• 16

Multiple Choice

Angela is training for a marathon and completes her long mileage runs for training on the weekend. Over the last 3 weekends she ran 15 miles in 2 hours; 18 miles in 2 hours and 33 minutes; and 22 miles in 3 hours and 7 minutes. Determine if her weekend training runs showcase a proportional relationship.

• Yes, the relationship is proportional

• NO, the relationship is NOT proportional

Math Response

After a workout at the gym, three friends made protein shakes to help in their recovery. Each protein shake contains 2 scoops of protein powder and 12 ounces of water. What is the constant of proportionality for this relationship?

Type answer here

Correct Answer: 6

Deg^°

Rad

Multiple Select

Select all of the representations that show a proportional relationship between x and y.

Math Response

Determine the constant of proportionality for the following proportional relationships.

Type answer here

Correct Answer: -\frac{1}{2}

Deg^°

Rad

Graphing

The cost of Hass avocados is a proportional relationship to the number of avocados being purchased. The equation 𝑐 = 2𝑎 represents this relationship where 𝑐 is the total cost and 𝑎 is the number of Hass avocados being purchased. Create a graph representing this relationship.

Graphing

Graph the proportional relationship given in the table below.

Graphing

A couple is taking a horse and carriage ride through Central Park in New York City. After 8 minutes, they had traveled 1/2 mile.

Create a graph to represent the proportional relationship between miles traveled and the number of minutes they are on the carriage.

(X-axis measures minutes and Y-axis measures miles)

Math Response

Use this graph to determine how long it will take to complete the 2 mile ride around the park.

Type answer here

Correct Answer: 32

Deg^°

Rad

Math Response

Jia is buying strings of lights to hang on her patio deck. She needs 80 feet of lights to go around the entire patio, but the lights she wants to buy are only sold in packs of 5 meters. If one meter is approximately 3.28 feet, how many packs of lights will Jia need for her patio?

Type answer here

Correct Answer: 5

Deg^°

Rad

Multiple Choice

Kelsi works as a lifeguard at the local pool. After an 8 hour day at work, she earns $80. Part A. Write an equation that describes the relationship between the number of hours worked and the amount of money that she earns.

• 8+x = 80

• 8/x=80

• 8x = 80

• 8-x = 80

Multiple Choice

Part A) 80 = 8x

Part B) Malcolm would like to earn $450 to buy a new gaming system. Use your equation to determine how many hours he needs to work to buy a new gaming system.

• 45 hours

• 10 hours

• $8

• $80