this is the last one I need help with

Answer:
11
Step-by-step explanation:
if 3 equels 4 then 12 equels 11
Answer:
8
Step-by-step explanation:The answer is 8, because the problem says ''twice the area of the small rectangle.'' So, 4x12=48. So the larger one is twice it's size, 48÷2=24. And 3x?=24? 3x8=24.