Respuesta :
the 40th customer will be the first to recieve both a free hat and shirt because the lowest common multiple is 40. (10x4=40) (8x5=40)... hope this is correct :)
the 40th customer will be the first to recieve both a free hat and shirt because the lowest common multiple is 40. (10x4=40) (8x5=40)... hope this is correct :)