Respuesta :
68 is the 4th number (from 40)
you can check this answer by multiplying 7 by 4, then subtracting the product from 68 to see if the answer is 40, the number you started with. And let me tell you that it does work :)
you can check this answer by multiplying 7 by 4, then subtracting the product from 68 to see if the answer is 40, the number you started with. And let me tell you that it does work :)