For the walls of the house he would use 11 nails in all to secure large planks of wood. If each plank needs 3 pieces of nails to be secured and an additional 8 nails were used.
Question: How many planks does John need for the house wall?
Equation: ( ( 11.0 - 8.0 ) / 3.0 )
Answer: 1 (Common-Division)