Answer: 216
Step-by-step explanation:
Given : We like to make a salad that consists of lettuce, tomato, cucumber, and onions.
The number of varieties of lettuce = 9
The number of varieties of tomatoes = 4
The number of varieties of cucumbers = 2
The number of varieties of onions = 3
Now, the number of different salads we can make is given by :-
[tex]9\times4\times2\=216[/tex]
Hence, we can make 216 different types of salads.