If you cut a 30ft piece of wood into two pieces making one piece 4ft longer than the other. What size is the smaller piece?  Choose one.
A) 4ft
B) 6ft
C) 8ft
D) 10ft
E) 13ft
Total length is 30ft, one piece is 4ft longer (x+4), leaving the other piece to figure out (x).   (x)+ (x+4)=30   x+x+4-4=30-4   2x=26   2x/2=26/2= 
<gadget id="calculator">26/2</gadget>
<output>13</output>
13   The piece is 13ft) 13ft.
<result>E</result>
If you cut a 30ft piece of wood into two pieces making one piece 4ft longer than the other. What size is the smaller piece?