30mm is 3cm (divide mm by 10)
That depends on the thickness or diameter of the tube.
30mm !
30mm
30mm*230mm = 6900 millimetres = 271.653543 inches
30mm
How many total beads are there. Are the beads only red or blue?
It really depends on how many beads you are using if u was using 12 beads there will be 6 beads.
250 red beads 2x250 = 500 blue beads (1/2)X250 = 125 yellow beads 250+500+125=875 Fran has 875 beads.
30mm
30mm is 3cm
3cm = 30mm.