Answer:
23.75
Step-by-step explanation:
Given that:
Brian's age = 27
Age of Chris is 17 more than one - fourth of Brian's age.
To find:
Age of Chris = ?
Solution:
Let age of Chris = 
One - fourth of Brian's age = 
17 more than One - fourth of Brian's age =
+ 17
Therefore, we can write the equation as per question statement:

Therefore, Chris is 23.75 years old if Brian is 27.