The equation y=7x gives the relationship between the number of road projects, x , and the number of weeks it takes a crew of workers to complete all the projects, y . What is the constant of proportionality? What does it mean in this context?
A) the constant of proportionality is 7. It takes the crew of workers 7 days to complete 1 road project.
B)The constant of proportionality is 7. It takes the crew of workers 7 weeks to complete all of their road projects.
C)The constant of proportionality is 7. It takes the crew of workers 7 weeks to complete 1 road project.
D)The constant of proportionality is 7. It takes the crew of workers 7 days to complete all of their road projects.