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 108 square inches. What are the dimensions of
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Question 151709: 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 108 square inches. What are the dimensions of the photo?
Answer by jojo14344(1513) (Show Source): You can put this solution on YOUR website!
Okay, since our basis on the which is 3 inches longer than the , let , unknown?
Then,
Now, adding 2 inches border around it, so the becomes . Also the becomes
.
Putting this into equation with of the photo+border:
------------> eqn 1
-------->
By Quadratic Formula:
----------->
--------->
---------->
USE
For the dimensions of the photo:
And,
In doubt? Go back eqn 1,
Thank you,
Jojo
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