show me how you solved this math problem

Question

a carpenter has a 12-foot board to used to make windmills and if each still requires 2 5/6 feet how many stills can be made from the 12- foot board show me how you solved this problem

Answer 1

The carpenter is must cut (divide) the 12 foot board by pieces 2 5/6 feet, 17/6 feet.

 

12 ÷ 17/6            dividing by a fraction is the same a multiplying by its inverse

12 · 6/17

72 / 17

4.23

 

The carpenter can get wood for 4 stills.