Topic 2 Study

Hadley paddled a canoe ⅔ mile in ¼ hour.  How far did Hadley paddle the canoe after 1 hour?

• 5/6
• 3/4
• 2
• 8/3

What is the constant of proportionality in the equation y=18x?

• 36
• 9
• 27
• 18

1. There is a proportional relationship between the time Katie spends babysitting, x, and the amount of money she earns babysitting, y.  Based on the information on the graph, how much money will she make after babysitting for 8 hours?  

• $10
• $20
• $40
• $80

Jonathan bikes 11.2 miles in 1.4 hours at a steady rate.  Write an equation that represents the proportional relationship between the x hours he bikes and the distance y Jonathan travels

• y = 8x

• y = 11.2x

• y = 0.125x

• y = 1.4x

Water is dripping steadily from a faucet into a bowl.  What is the constant of proportionality for the relationship between the number of millimeters of water in the bowl and the time?  What is the equation?

• k=0.0625

  y=0.0625x

• k=16

  y=16x

• k=10

  y=10x

• k=20

  y=20x

1. A package of 5 pairs of socks costs $29.45.  What is the cost of a single pair of socks? 

• $6.50
• $4.99
• $5.89
• $7.99

If a dog eats 22.5 ounces of food in 2 days, how many ounces of food does the dog eat in 9 days?

• 202.5 ounces
• 180 ounces
• 90 ounces
• 101.25 ounces

A box of cereal states that there are 90 calories in a ¾ cup serving.  How many calories are there in 4 cups of the cereal?

• 270
• 480

• 120

• 360

Beth walks 1 ¾ miles in ⅗ an hour.  Linda walks ⅞ miles in ¾ an hour.  Who has a faster miles per hour?

• Beth
• Linda
• They have the same miles per hour
• Cannot be determined

Is the relationship between the number of slices of salami in a sandwich and the number of calories proportional?

• Yes
• No
• cannot be determined