Question

the length of a rectangle room is 5 yards more than the width. If the area is 300 yards squared find the length and the width of the room

Answer 1

w=width
l=length
A=are

l=5+w
A=lw
300=(5+w)(w)
300=w^2+5w
w^2+5w-300=0
w=15
l=20