no
50
You can divide evenly it by 1, 2, 5, 10, 25, 50, 125 and 250.
There are two zeros in the quotient when you divide 80000 by 50
1
9
Divide by 10
4
Quotient
Infinite ways
9 ways. By 0,1,2,3,5,6,10,15 and 30
many ways i think like 50
There are infinitely many ways. One simple method is to make four "strips" of 35 ft * 12.5 ft.