Answer:31557600
Step-by-step explanation:
3600 x 24 x 365.25
Which equal 31557600
If you have a question to ask, then what is it ?
I notice that IF AB and DE are parallel, then the two triangles tip to tip at C are similar. That may help you.
Constraints are simply the subjects of an objective function.
The inequality that represents the constraint is: 
Represent the number of hats with x, and the number of scarves with y.
From the question, we have:
- He spends 12 hours to knit a hat
- He spends 6 hours to knit a scarf
So, the equation of the total time spent is:

This time spent is not more than 20 hours.
So, the inequality is

Hence, the inequality that represents the constraint is: 
Read more about constraints at:
brainly.com/question/24574823