Answer:

Explanation:
We have been given a sentence. We are supposed to represent our given statement as an expression.
Sentence:
3 times the sum of k and d.
We know that we can find sum of k and d by adding them as shown:

Since 3 is multiplied to sum of k and d, so sum of k and d will be inside parenthesis.

Therefore, our required algebraic expression would be
.