Question 126377
L=2W+9
2L+2W=48
2(2W+9)+2W=48
4W+18+2W=48
6W=48-18
6W=30
W=30/6
W=5 ANSWER FOR THE WIDTH.
L=2*5+9
L=10+9
L=19
PROOF:
2*19+2*5=38+10=48