To get the answer we have to find number of towers. If Arturo built 3 sandcastles with 6 towers each we can say that Arturo built 3*6=18 towers If Paco built 5 sandcastles with 4 towers each we can say that Paco built 5*4=20 towers 20-18=2 - difference between Paco and Arturo Answer:Arturo made more towers. The difference is 2.
