64in/16in = x/18.5
64•18.5= 1184
1184/16x= 16x/16x
1184/16x
x= 74 in
First you actually find the quotient so divide
3589/80
Which is = 44.86
First digit is 4 when you look at the quotient, starting from the left
I hope this helps you
width =w
length = w+20
length =36
w+20=36
w=16 width