9. At a fast food restaurant, 63 cheeseburgers use up 18 pounds of
beef. Find the equivalent rates and
unit rate. Select all that apply.
126 cheeseburgers
36 lbs beef
21 cheeseburgers
5 lbs beef
4.2 cheeseburgers
1 lb beef
7 cheeseburgers
2 lbs beef
3.5 cheeseburgers
1 b beef