Theme: Find the rate...
  • Find the rate of change and the initial value for both group n individual session
  • How can you use a rate to compare the costs of two boxes of cereal that are different sizes?
  • A passenger train leaves a train depot three hours after a freight train leaves the same depot. The freight train is traveling 16 mph slower than the passenger train. Find the rate of the freight train if the passenger train overtakes the freight train after 7.125h.
  • A jet travels 460 miles in 5 hours. At this rate, how far could the jet fly in 15 hours? What is the rate of speed of the jet?
  • A house cost $120,000 when it was purchased. The value of the house increases by 10% each year. Find the rate of growth each month.
  • Between 2005 and 2009 the average rate of inflation was about 2.2% per year. if a cart of groceries cost $120 in 2005, what did it cost in 2009?
  • Alistair sells book. He sells each book for £7.60 plus vat at 17 1/2% he sells 1650 books. How much money does alistair receive?
  • Pete’s Boat Rental charges an initial fee to rent a boat, plus an hourly fee. The table shows the cost to rent a canoe. Find the rate of change and initial value. The rate of change is $__ per hour The initial fee to rent the boat is $__
  • An airplane travels 460 miles from San Diego to San Francisco in 2.5 hours, going against the wind. The return trip is with the wind, and takes only 2 hours. Find the rate of the airplane with no wind. Find the rate of the wind. & <3
  • Part A: Describe in words how you can find the rate of change of a bushel of corn in the current year, and find the value. Part B: How many dollars more is the price of a bushel of corn in the current year than the price of a bushel of corn in the previous year? Show your work. Previous Year Number of Bushels Price of Corn (dollars) 3 21 6 42 9 63 12 84
  • CAN SOMEONE ME ITS 8TH GRADE THAT IT DONE IN 20 MIN 1. Geogina raised money for her local fire department by selling tickets to a school play. she mad a table showing the amount of money she collected for different numbers of tickets sold. tickets sold 5 10 15 20 amount raised 23.75 47.50 71.25 95.00 (a) The rate of change of the amount geogina raised is constant. How could she find the rate of change of the amount raised? Explain how, and then find the rate of change. (b) predict the amount geogina raised when she sold 24 tickets. Explain your reasoning 2. Tom had $56 in a saveings account the account was in active for several months, so the bank withdrew a serves charge from the account every month was inactive. the table show toms account balnce from the time it became inactive in till 9 months later. months inactive 0 3 6 9 account balance$ 56.00 45.50 35.00 24.50 (a) Plot the table values on a corrdinate grid. Draw a line throught the plotted points. (b) Find the solpe line. How does the solpe of the line relate the amount in toms bank account over time? Explain (c) Write an equation in solpe-intercept form that represtents the amount of money in toms bank account overtime. Explain what the x- and y- intercepts represtents.
  • If a price is 60$ and it gets a 15% markup, what would the final price be?
  • Jack and Luke were wrapping presents. Jack was able to wrap presents at a constant rate of 3 presents every 15 min. Luke was able to wrap presents at a constant rate of 5 presents every 20 min. Each boy had 20 presents to wrap, and the boys started wrapping presents at the same time. Write an equation to find the rate each boy wraps presents. You may use y=kx or w=rt ( 2 for each)
  • As a trains engineer, Erin guided the train on a 64 mile run which took 1.7 hours. She then stopped on a side rail to let a second train pass. She then continued another 80 miles, which took 1.9 hours what was the trains average speed for the entire run? There are no answer choices!
  • Which statement best defines the two quantities that are measured to find the rate at which an airplane descends? A) The quantity of time measured in minutes depends on the quantity of speed measured in feet. B)The quantity of speed measured in feet depends on the quantity of time measured in minutes. C) The quantity of distance measured in feet depends on the quantity of time measured in minutes. D) The quantity of time measured in minutes depends on the quantity of distance measured in feet.
  • Find the rate and unit rate of these a. 420 miles in 7 hours b. 360 customers in 30 days c. 40 meters in 16 pounds d. $7.96 for 5 pounds Thx
  • The men’s world record for swimming 1500.0 m in a long course pool (as of 2007) is 14 min 34.56s. At this rate, how many seconds would it take to swim 0.350 miles? (1 mi=1609)
  • Two hikers are 13 miles apart and walking torward each other. They meet in 2 hours. Find the rate of each hiker if one hiker walks 2.1 mph faster than the other one.
  • A jet travels 510 miles in 5 hours. At this rate, how far could the jet fly in 14 hours? What is the rate of the speed of the jet?
  • Find the rate of change for the situation. A chef cooks 9 lbs of chicken for 36 people and 17 lbs of chicken for 68 people. A. 9/17lb per person B. 4 lb per person C. 1/4 lb per person D. 36 people.
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