Respuesta :

Answer:

18.5

Step-by-step explanation:

Plug in 13 for r, and 11 for s in the expression.

r + s/2 = 13 + 11/2

Remember to follow PEMDAS.

PEMDAS is the order of operation, and =

Parenthesis

Exponents (& Roots)

Multiplication

Division

Addition

Subtraction

First, divide:

11/2 = 5.5

Next, add:

5.5 + 13 = 18.5

18.5 is your answer.

~

Your answer is 18.5 :)