Answer:
The total number of Cats and Frogs
Step-by-step explanation:
Number of Birds Owned = B
Number of Cats = C
Number of Frogs =F
The expression that represents the total number of pets owned by Kelby
=B+(C+F)
NOTE: SUM/ADDITION = +
Therefore:
The expression C+F represents the total number of Cats and Frogs owned by Kelby.