SOLUTION: Eric has a cement patio in his backyard with an area of about 21 square yards.If he expands the patio so that the dimensions are twice the original dimensions,what will be the area

Algebra ->  Rectangles -> SOLUTION: Eric has a cement patio in his backyard with an area of about 21 square yards.If he expands the patio so that the dimensions are twice the original dimensions,what will be the area      Log On


   

Question 326199: Eric has a cement patio in his backyard with an area of about 21 square yards.If he expands the patio so that the dimensions are twice the original dimensions,what will be the area,in square feet,of the largerpatio?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
A1=L%2AW=21
.
.
.
A2=%28L%2B2%29%28W%2B2%29
A2=LW%2B2L%2B2W%2B4
A2=21%2B2L%2B2W%2B3
A2=24%2B2%28L%2BW%29
.
.
.
For the new area, you need to have the original length and width.
A2=24%2B2%28L%2BW%29