Answer:
greatest number of pieces will be 9 that he can use.
Step-by-step explanation:
Jamar has a piece of wood, 8 foot long.
He wants to build a step stool for his tree house by cutting the pieces of the wood
foot long each.
Number of pieces of the wood = 
= 
= 
= 
= 
Number of pieces will be 9 full pieces and a fraction of piece.
Therefore, greatest number of pieces will be 9 which Jamar can use.