If angle b and angle e are the same, I guess you can write b=e ?
So you’ll have :
3x = 6x - 39
0 = 6x - 3x - 39
39 = 3x
x = 39/3
x = 13
Answer: the first one is correct
Answer:

Step-by-step explanation:

Step-by-step explanation:
190 long sleeve and 330 short sleeve
Answer:
270 meters
just multiply by 10 and change metrics to scale here