X += .12X = 2400santos said:How could i calculate, In which NUMBER (number unknown) 12%(percentage known) will be added to get the resulting 2400 (known number).
In which NUMBER (number unknown) 12%(percentage known) will be added to get the resulting 2400 (known number).
This is why it's so important (hint, hint!) to include the full and exact statement of the exercise, and the complete instructions. It is difficult to assist in finding the answer when we are befuddled as to what the actual question is. :shock:Denis said:...may I have the envelope please... :roll: