Question

A bolt extends through 5/6” thick plywood, a washer that is 1/16” thick, and a nut that is 3/16” thick. The bolt should be 1/2

” longer than the sum of the thickness of the plywood, washer and nut. What is the minimum length of the bolt?

Answer 1

1 7/12"

Explanation:

5/6 + 1/16 + 3/16 + 1/2

5/6 + 3/4

10/12 + 9/12

19/12

1 7/12