629,500 is the answer to your question
8 X
----- = ------
20 40000
40000/20=2000
2000*8=16000
X=16000
Answer:
x+75=180
x=180-75
x=105
Step-by-step explanation:
x and a are on a straight line
a straight line=180
so you add the x to a=180
It is to insure the experiment does not have bias.
