The wooden frame of a picture is 20cm long and 16cm wide. If the wood is 1.82cm wide, find the size of the picture.

My working:
The picture frame= L x W = 20x16= 320cm

Wood frame= 1.82*2= 3.64cm

320cm less 3.68cm = 316.36cm.

2 answers

My working:
The picture frame= L x W = 20x16= 320cm

Wood frame= 1.82*2= 3.64cm

320cm less 3.68cm = 316.36cm
Wood frame = 1.82*2 = 3.64cm

Can you please explain how you got *2?