Well.. let’s see... It would take him 2 hours to make 8 dough balls... So, 1 hour would give him 4.... and 1/2 hour would make 2... So, 4 hours would have him at 16 dough balls, then add a half hour to get 18 dough balls!! So, it’d take 4 and 1/2 hours to make 18 dough balls!
