Respuesta :

        6r            3r
J_______K_______L
--------------27------------

JK + KL = JL
6r + 3r = 27
9r = 27
r = 27/9
r = 3 <=====

Answer:

3

Step-by-step explanation:

JK + KL = JL

6r + 3r = 27

9r = 27

r = 27/9

r = 3