Respuesta :
Well since 10 was added and the final number is 26, you first want to subtract 10 from 26:
16
And before 10 was added the number was cut in half, which means you now need to multiply by 2:
32
The original number is 32.
16
And before 10 was added the number was cut in half, which means you now need to multiply by 2:
32
The original number is 32.