A sheet of paper measuring 30cm by 20cm . A strip of Wide 4cm cut from it all around. Find the área of the remaining sheet and also the área of the cut strip

Answer 1

So wouldn't the length be reduced by 8 cm, and the width reduced by 8 cm ?

mmmmhhhh? What is the new area vs the old area ?

show me your work.

Answer 2

30/20= 1.5*4=6 or ( 30~4=26)( 20-4=16) 26/16=2