Respuesta :

2L+2W=30

L=2W

2(2W)+2W=30

4W+2W=30

6W=30

W=30/6

W=5 width

L=2*5=10 length

PROOF:

2*5+2*10=30

30=30

5*10=50 area

So your answer is 50

Hope this helped. Have a great night!