Answer:
Width of 10 cm, length of 22 cm
Step-by-step explanation:
P=2L+2w
64=2(12+w)+2w
64=24+2w+2w
40=4w
10=w
L=12+w
L=22cm
31/3
10.3
10 1/3
3.5
27-13=14 14/4=3.5
Step-by-step explanation: -4+x
-----------
w(-x+3)
