Total work amount
6 men * 14 days
84 men days
If it is done within 21 days, need x men
84 men days = x men * 21 days
x = 84/21 men
x = 4 men
We would need to know the measurements of the circle to answer this
Answer: c.+dhf+2-4= 6)
Step-by-step explanation: Hope this helps!
Its 90 because 90 divided by 10 simplifies down to 9, and 9+8=17