Question 58728
2*LENGTH*2WIDTH=42
LENGTH=X
WIDTH=(X/2)-3
THEN
2X+2(X/2-3)=42
2X+2X/2-6=42
(4X+2X)/2=42+6
6X/2=48
6X=96
X=16 WHICH IS THE LENGTH
THEN WIDTH=16/2-3
OR WIDTH=8-3=5
PROOF
2*16+2*5=42
32+10=42
42=42