Respuesta :

Ten fences posts cost $92, divide by 10 to know the cost of each post.
[tex]92 \div 10 = 9.2[/tex]

Divide by 9.2 to know how many he bought
[tex]276 \div 9.2 = 30[/tex]

Answer : Mr Bell bought 30 fences posts.

Hope this helps. - M