SOLUTION: 5) A farmer has a rectangular garden plot surrounded by 200 ft of fence. Find the length and width of the garden if its area is 2400 ft2.

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons  -> Quadratic Equation Lesson -> SOLUTION: 5) A farmer has a rectangular garden plot surrounded by 200 ft of fence. Find the length and width of the garden if its area is 2400 ft2.       Log On


   

Question 880131: 5) A farmer has a rectangular garden plot surrounded by 200 ft of fence. Find the length and width of the garden if its area is 2400 ft2.
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
x and y are the dimensions.
xy=2400 and 2x%2B2y=200.

The perimeter equation simplifies to x%2By=100.
y=100-x;
-
xy=2400
x%28100-x%29=2400
100x-x%5E2=2400
.
.
You do the rest.