SOLUTION: A photo is 3 inches longer than it is wide. A 2 inch border is placed around the photo making the total area of the photo and border 180 square inches. What are the dimensions of t
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Question 162797This question is from textbook
: A photo is 3 inches longer than it is wide. A 2 inch border is placed around the photo making the total area of the photo and border 180 square inches. What are the dimensions of the photo?
This question is from textbook
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
(x+4)(x+3+4)=180 the +4 in each term is the border measurement.
(x+4)(x+7)=180
x^2+11x+28-180=0
x^2+11x-152=0
(x-8)(x+19)=0
x-8=0
x=8 is the width of the photo.
8+3=11 is the length of the photo.
Proof:
(8+4)(11+4)=180
12*15=180
180=180
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