In order to find the area you have to multiply length x width
In this case our length and width are 12cm and 4cm
So lets multiply those. :P
12 x 4 = 48 cm
Your area = 48cm²
Good Luck! :)
Answer:
as 18/5 =3.6
so we need minimum 4 bags of chips
I have linked a picture with the intervel.