Question

Needle at scale at one end is 3.0 cm other end is 33.1cm what
is the length of a needle

Answer 1

the length of the needle is 30.1

Answer 2

First reading on scale= 3.0 cm

second reading on scale= 33.1 cm

So the length of the knitting needle= 33.1-3.0 cm

(33.1 -3.0)

=30.1 ←Answer