Posted by lilly on Friday, February 22, 2013 at 1:40pm.
Bernie put in a garden in her back yard. The garden has a perimeter of 213 feet. She wants to know the total surface area of the garden and all she knows is the perimeter and that the width is 20% or (1/5) of the length. (Remember 20% and the fraction 1/5 is the same decimal value) Use a system of equations for finding the length and width so you can calculate the area.

help asap!!  Steve, Friday, February 22, 2013 at 2:52pm
if the length is x, the width is x/5
The area is x(x/5) = x^2/5
p = 2(x+x/5) = 12x/5 = 213
x = 1065/12 = 88.75
so, the area is 88.75^2 / 5 = 1575.3125
check:
length = 88.75
width = 17.75
p = 2(88.75+17.75) = 2(106.5) = 213
Answer This Question
Related Questions
 math  Bernie put in a garden in her back yard. The garden has a perimeter of ...
 math quick help  Bernie put in a garden in her back yard. The garden has a ...
 math helpp!!!  Bernie put in a garden in her back yard. The garden has a ...
 math  Bernie put in a garden in her back yard. The garden has a perimeter of ...
 ssis, math  your garden yard is 50ft wide and perimeter is 500 square.you have ...
 5th grade math  suppose you are building a fence for a garden in your yard. ...
 Perimeter  Lamar made a garden in the shape of a rectangle with an area of 36 ...
 math  Harry planned a rectangular garden that was 40 feet long and 10 feet wide...
 Math  Harry planned a rectangular garden that was 40 feet long and 10 feet wide...
 math  Jim is putting up fence posts around a rectangular garden. He used 50 ...
More Related Questions