Answer:
The correct option is C) 12 + 20.
Explanation:
Consider the provided phrase.
The total number of coins Kyle has if he has 12 quarters and 20 dimes
Use "+" sign for and .
He has 12 quarters and 20 dimes can be written as:

The total number of coins are the sum of 2 quarters and 20 dimes
Thus, the required expression is

Hence, the correct option is C) 12 + 20.