Respuesta :

Dianaaaaaa
My solution: P.S I’m not sure if I’m correct.

2L+2W=120
2*3W+2W=120
6W+2W=120
8W=120
W=120/8
W=15 M. FOR THE WIDTH.
L=3*15=45 M. FOR THE LENGTH.
PROOF:
2*45+2*15=120
90+30=120
120=120

Hope this solution works! If not, I’m very sorry. :(