Answer:
3
Step-by-step explanation:
If the number that was multiplied by 7 is:
2: 0
3: 7
4: 14
5: 21
6: 28
7: 35
8: 42
9: 49
10: 56
9514 1404 393
20 meters
The single hash mark on AB matches the single hash mark on AC, so AB = AC. AC is marked as 20 meters, so AB is 20 meters.
