Answer:
18
Step-by-step explanation:
Answer:
Domain: 
Range: 
Step-by-step explanation:
The domain of a function is the set of values that one can input into a function and get a valid result.
The range of a function is the set of valid outputs that one can attain when a value is substituted into a function.
When you have two unit prices for two comparable items, you have to convert one of the prices to the other one.
You can only get 5 c chocolates if you have that many.