Anne is building a fence using nails are 2 1/4 in long she drove one of the nails through a board 3/4 in thick into a post 3 in square how far did the nail go into the post

idk

step-by-step explanation:

idk

the answer would be 1 1/72

step-by-step explanation:

you can rewrite the equation by separating the parts and then solving individually:

10-9=1

1/8 - 1/9=

find l c d and then combine:

1 1/72

step-by-step explanation:

what grade level is this? need to know so i can look in my old textbooks!