Answer:
D. 0.25n + 52
Explanation:
You want to find an expression equivalent to "25% of the quantity of 208 plus n".
Math expression
The verbal phrase "208 plus n" is represented using the plus sign:
208 + n
When that quantity is multiplied by 25%, the result is ...
25% of (208 +n) = 0.25(208 +n)
This can be expanded using the distributive property to ...
(0.25)(208) +0.25n = 52 +0.25n
The commutative property of addition lets us write the equivalent expression ...
0.25n +52