Problema Solution
The combined are of a square and a rectangle is 57 square feet. The width of the rectangle is 3 feet more than a side of the square, and the length of the rectangle is 5 more than the side of the quake. Find the length of the rectangle.
Answer provided by our tutors
Let
x = the side of the square, x>0
3 + x = the width of the rectangle
5 + x = the length of the rectangle
x^2 + (3 + x)(5 + x) = 57
........
click here to see the equation solved for x
........
x = 3 ft
5 + 3 = 8 ft
The length of the rectangle is 8 feet.