Question 339032
let width be x 
length = x+16 inches
.
Area of rectangle A = L*W
420 = x(x+16)
420 = x^2 16x
x^2+16x -420 =0
x^2+30x-14x-420=0
x(x+30)-14(x+30)=0
(x+30)(x-14)=0
x= 14 inches the width.
The length = x+16 
= 14+16=30 inches.