Answer: Ryan will be able to fill 9 mugs.
Step-by-step explanation:
Total quarts of hot chocolate made by Ron = quarts.
It can be written as
Each mug holds of a quart.
Then by division operation, the number of mugs Ryan will be able to fill :-
Total quarts of hot chocolate ÷ Quarts of hot chocolate hold by each mug.
=
Hence, Ryan will be able to fill 9 mugs.