Bicycle chains are generally cut to size. But most derailer gear bikes use 114-116 link chains.
it is 4 wholes
Ten fifths make two wholes.
How many thirds are there in two wholes
a chain
20
There are 21 thirds in 7 wholes.
There are 16 halves in eight wholes.
You can make 3 wholes
Bicycle chain
no it is a lever
There are: 15/3 = 5 wholes
There are twelve thirds in four wholes.