7 one upon nine ? 3 three upon sixteen. This question has not been answered yet! Don't worry! You can check out similar questions with solutions below seven one upon 4 - one three upon 6 ... nine upon twelve minus three upon twenty. d) five upon nine ... ... by three plus nine equals twice the number minus sixteen ... find three rational number between 1 upon 6 and 1 upon 3 ... of three rational number 1 upon 2 1 upon 7 minus 1 upon 5