Question 321439
L=2W+3
2L+2W=P
2(2W+3)+2W=144
4W+6+2W=144
6W=144-6
6W=138
W=138/6
W=23 ANS. FOR THE WIDTH.
L=2*23+3=46+3=49 ANS. FOR THE LENGTH.
PROOF:
2*49+2*23=144
98+46=144
144=144