Question 378108
molding = 17 meters
perimeter = 17 meters
2*(L+W) =17
/2
L+W=17/2
L+w= 8.5 
...
Length = 3.9
plug value of length 
3.9+W=8.5
-3.9
W=8.5-3.9
W=4.6 meters
..
CHECK
3.9+3.9+4.6+4.6 = 17
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