Problema Solution
The length of a rectangle is 8m less than three times the width, and the area of the rectangle is 35m^2. Find the dimensions of the rectangle.
Answer provided by our tutors
let
w = the width, w>0
l = the length, l>0
the length of a rectangle is 8m less than three times the width:
l = 3w - 8
the area of the rectangle is 35m^2:
l*w = 35
plug l = 3w - 8 into the last equation:
l*w = 35
(3w - 8)*w = 35
by solving we find:
w = 5 m
click here to see the step by step solution of the equation:
l = 3*5 - 8
l = 7 m
the dimensions of the rectangle are: 7 meters and 5 meters.