Chelsea uses gold chain to make bracelets. she has three pieces of unused gold chain. the lengths of these pieces are : 11 5/8 inches, 9 3/4 inches, 10 1/2 inches . what is the average of the three pieces of chain?

11 5/8 in = 11.625 in

9 3/4in = 9.75 in

10 1/2 in= 10.5 in

11.625+9.75+10.5= 31.875in

To find the average divide the total of inches by the amount of pieces there are to find the average:

31.875 / 3 = 10.625in

answer: 42

use a calculator to find that 845/73 = 11.575

the whole part of the answer is 11. multiply this by 73 to get 11*73 = 803.

subtract that result from 845 to get 845 - 803 = 42