A dozen = 12
Multiply 7 x 12 to find out how many bolts are in the bin when it's full
Now multiply by 1/6 to find out how many are in the bin when it's time to reorder
12 x 7 x 1/6
Multiply 7 x 12 to find out how many bolts are in the bin when it's full
Now multiply by 1/6 to find out how many are in the bin when it's time to reorder
12 x 7 x 1/6