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Proportional Relationships

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  • What is the constant of proportionality?
    None
  • Is the graph proportional? How do you know?
    Not Proportional
  • Is the graph proportional? How do you know
    Proportional
  • 125 trash bags cost $16.50. What is the cost of one bag?
    $0.13 per bag
  • Jon says he can ride his bicycle 50 miles in 64 minutes. Jaiden says he is faster because he can ride his bicycle 12 miles in 10 minutes. Is Jaiden faster? Why or why not?
    Yes Jaiden is faster
  • Is the equations proportional? y=3x+7
    Not Proportional
  • solve the proportion
    x=6
  • What is the constant of proportionality?
    k=1.5
  • Find the constant of proportionality and write the equation for the graph.
    y=8x
  • What is the constant of proportionality?
    k=5
  • Mrs. Princetta went on a family vacation. Her car use 3 gallons for 78 miles. Write the equation that represents the situation.
    y=26x
  • What is the constant of proportionality?
    None
  • Which salary is higher? Jax earns $12.50 every half hour. Michael earns $0.50 every minute.
    Michael earns more
  • Max earns $30 in 2 hours that he works as a server. How much money would Max earn in 8 hours?
    $120
  • Solve the proportion
    c=8
  • What is the constant of proportionality? y=7x
    k=7
  • What is the constant of proportionality if Ms. Gierman walks at a rate of 2 miles per hour. x= hour y = miles walked
    k=2
  • What is the constant of proportionality?
    k=10
  • Mrs. Princetta spends $126 at the restaurant for her family of 5. How much would you expect Mrs. Princetta to spend if her extended family joined and there were 9 people at dinner?
    $226.80
  • Maya’s car can travel 243 miles on 6 gallons of gasoline. Abby’s can can travel 296 miles on 8 gallons of gasoline. Whose car is more efficient? Why?
    Maya she gets more miles per gallon
  • What is the constant of proportionality?
    k=5
  • A 2 pound package of fun size candy contains 92 pieces. How many pieces would you expect in a 10 pound package?
    460 pieces