Drag and drop numbers into the boxes so that the paired values are in a proportional relationship. Put responses in the correct input to answer the question. Select a response, navigate to the desired input and insert the response. Responses can be selected and inserted using the space bar, enter key, left mouse button or touchpad. Responses can also be moved by dragging with a mouse. x 1 3 Response area 5 8 y 4 12 16 20 Response area