A square picture has a 1-in. frame around it. If the area of the frame alone is 48 in2, what is the area of the picture? in ?

121 sq. in

Step-by-step Explanation

area of the frame = 48 square inches

if  is the side length of the square, then ( + 2) is the side length of the square after the frame has been added.

the area of the picture + the frame is:

( + 2) ( + 2)  

the area of just the frame is given by ( + 2) ( + 2) -  x :

( + 2) ( + 2) -  x  =48

²+  x 2 + 2 x  + 2 x 2-² = 48

² + 2 + 2 + 4-² = 48

4 + 4 = 48

then subtract 4 from both sides:

4x = 44

and divide both sides by 4:

x = 11

the area of the square is 11 (11) = 121.

i think this is correct?

hope this helps

what is the graph

step-by-step explanation:

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