How many beads on this string?

Question

There are 4mm beads on a 16 inch string. how many beads are on the string?

Answer 1

1 inch = 25.4 mm

 

16 inches = 16 * 25.4 = 406. 4 mm

 

To calculate the number of beads: each bead measures 4mm

 

406.4 / 4 = 101.6 or 102 beads (rounded up)