Answer:
35
Step-by-step explanation:
Since two lines are parallel ,
By Thales Theorem ,
=> 3x - 5/10 = (28-8)/8
=> 3x -5/10 = 20/8
=> 24x - 40 = 200
=> 24x = 240
=> x = 10
And ,
=> JK = 3x - 5 + 10 = 3x + 5
=> JK = 3 × 10 + 5 = 35
