The third option: uses visual representation of the logical...
My work for your question
Answer:
I came up with -12
Step-by-step explanation:
8 workers = 6 days to complete
x workers = 4 days faster to complete
6/4=1.5 days faster
1.5 x 8 = 12 workers needed to complete the wall in fours days
Digit 4 in 49,308 is ten thousands and the 4in 4061 is thousands
