I think you can multiply how many are defective in a sample by how much more stuff there is

Besides, we have that

If we replace this equation in the previous one, we have

Then the angle 1 has measure 21 degrees.
Answer:
1.4oz
Step-by-step explanation:
You subtract the weight of the box and the bars with the empty box. Then divide the answer you got from that, with 12 and you get your answer.