For each of the 4 walls of the house, John will need 9 large
planks of wood. If each plank of wood needs 8 pieces of nails
to be secured, how many nails does John need for each wall
of the house?

Respuesta :

The answer is 72 because if each plank needs 8 nails and each wall have 9 planks you multiply 9 by 8 which is 72