Problema Solution
The length of a rectangular room is 5 more yards than the width. If the area is 300yd^2. find the length and width of the room.
Answer provided by our tutors
let
l = the length of the room, l>0
w = the width of the room, w>0
A = 300 yd^2 the area of the room
the length of a rectangular room is 5 more yards than the width
l = 5 + w
the formula for area of rectangle is A = length*width or
A = l*w
l*w = 300
plug l = 5 + w into l*w = 300
(5 + w)*w = 300
by solving we find
w = 15 yd
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l = 15 + 5
l = 20 yd
the length of the room is 20 yd.
the width of the room is 15 yd.