Answer:
Step-by-step explanation:
For Mr Rowley,
Ratio of Number of home works to the number of exit tickets =
= 
= 6:7
For Ms Rivera,
Ratio of Number of home works to the number of exit tickets = 
= 
= 6:7
Since, both the ratios are same, fractions will be proportional.

Answer:
Step-by-step explanation:
54=.9x Solve for x. x=54/.9=60
Where the line segment A starts is home
I think you can multiply how many are defective in a sample by how much more stuff there is