Question 335445
L=W+12
2L+2W=68
2(W+12)+2W=68
2W+24+2W=68
4W=68-24
4W=44
W=44/4
W=11 ANS. FOR THE WIDTH.
L=11+12=23 ANS. FOR THE LENGTH.
PROOF:
2*11+2*23=68
22+46=68
68=68