Answer:
2 : 1
Explanation:
Initial dimension = 8:6
New information;
height of 12 units and a width of 16 units
Final dimension = 16:12
Comparing both dimensions,
Multiplying the initial by 2, we get the final dimension, this meas;
Final Dimension = Initial Dimension * 2
Final Dimension / Initial Dimension = 2 / 1 = 2 : 1