Answer:
4.4444 percent.
Step-by-step explanation:
1cm = 10mm
So 9cm would equal out to 90mm ...
4 mm would be 4.44 percent of the 9cm.
is (4) % (?)
of (90) 100
Cross X mutiply and divide..
4x100 = 400
90 x % = 90... & 400 divided by 90 = 4.444
