Problema Solution
a rectangular deck has an area of 320ft^2. the length of the deck is 4 feet longer than the width. find the dimensions of the deck.
Answer provided by our tutors
Let
x = the width, x>0
4x = the length
A = 320 ft^2 the area of the deck
A = width*length
A = x*4x
4x^2 = 320
........
click here to see the equation solved for x
........
x = 8.94 ft
4x = 4*8.94 = 25.76 ft
The dimensions of the deck are: the width is 8.94 ft and the length is 25.76 ft.