Write an equation to represent each line - make your thinking visible!
Three runners are training for a marathon. One day they run about 10 miles, each at their own constant speed.
Question 2
2.
Which of these runners has the fastest pace? Explain how you know.
It costs $0.50 to download an individual song and $4 to download an album. Jada has $15 to spend downloading music.
Question 3
3.
Complete the table showing three ways Jada can spend $15 downloading individual songs and albums. Remember to show your work somewhere
Question 4
4.
Write an equation relating the number of individual songs s and the number of albums a Jada can download.
Question 5
5.
Sketch a graph of the solutions to your equation.
Han's cell phone plan costs $200 to start. Then there is a $50 charge each month.
Question 6
6.
What is the total cost (start up fee and monthly charge) to use the cell phone plan for one month?
Question 7
7.
What is the total cost for x months?
Question 8
8.
Graph the cost of the cell phone plan over a period of two years, using months as the units of time. Be sure to label your axes and scale them by labeling each gridline with a number.
Question 9
9.
Is there a proportional relationship between time and the cost of the cell phone plan? Explain how you know.
Question 10
10.
Tyler’s cell phone plan costs $350 to start, then there is a $50 charge each month. If we were to graph Tyler's cell phone plan over a period of two years on the same grid as Han's plan, describe how the two graphs would be the same and how they are different.