The graph shows how many bottles a machine caps in a certain number of seconds. Part A What is the constant of proportionality, and what does it mean in this situation? Use the drop-down menus to s The graph shows how many bottles a machine caps in a certain number of seconds.Part AWhat is the constant of proportionality, and what does it mean in this situation?Use the drop-down menus to show and explain your answer.The constant of proportionality is   Choose…  15  30  20  ; the machine caps   Choose…  30  20  15  bottles in   Choose…  15 seconds  1 minute  1 second  .Volume 90%Part BWhich of the following is an ordered pair on the graph? What does it represent in this situation?  Volume 90%(45, 90); the machine caps 45 bottles in 90 seconds.  Volume 90%(45, 900); the machine caps 45 bottles in 900 seconds.  Volume 90%(45, 900); the machine caps 900 bottles in 45 seconds.  Volume 90%(900, 45); the machine caps 900 bottles in 45 seconds. Show more