Sharon needs $3 \dfrac12$ heads of lettuce for every $6$ salads she makes.
**Complete the table to figure out how many heads of lettuce she would need for $12$ salads and for $18$ salads.**
| | ||
- | :-: | :-: | :-:
Heads of lettuce | $3 \dfrac12$ |[[☃ numeric-input 1]] | [[☃ numeric-input 2]]
Number of salads | $6$ | $12$| $18$