The answer is 5/6 box.
This is because when you add up how much they ate you have 5/6 left.
Find the circumference of the whole circle,divide by 4,and then add the radius twice.
We must find UNIQUE combinations because choosing a,b,c,d... is the same as d,c,b,a...etc. For this type of problem you use the "n choose k" formula...
n!/(k!(n-k)!), n=total number of choices available, k=number of choices made..
In this case:
20!/(10!(20-10)!)
20!/(10!*10!)
184756
Answer:
5 students
Step-by-step explanation:
9 students studied for more than 3 and 4 students studied less .
9-4=5
42,500x0.09 should get you your commission
