6 1/4 divided by 25.8

What is 20+(5 x 2/5 )+ 3 show your work

Can someone me out here and the tell me the greatest common factor

The width of a rectangle is 20 units. can the perimeter p of the rectangle be 64 units when its length x is 11 units? no, because p = 2x + 2(20) no, because p ≠ 2x + 2(20) yes, because p ≠ 2x + 2(20) yes, because p = 2x + 2(20)