SOLUTION: Stephanie's rectangular garden was 12 feet long and had a perimeter of 40 feet. She made her garden 6 feet longer. How could she calculate the area of her new garden?

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Question 831784:
Stephanie's rectangular garden was 12 feet long and had a perimeter of 40 feet. She made her garden 6 feet longer. How could she calculate the area of her new garden?
Answer by checkley79(3341) About Me  (Show Source):
You can put this solution on YOUR website!
ORIGINAL LOT:
P=2(L+W)
40=2(12+W)
40=24+2W
2W=40-24
2W=16
W=16/2
W=8 ANS. FOR THE WIDTH
NEW LOT:
P=2(12+6+8)
P=2*26=52 SQUARE FT. ANS.